# Elsevier

# European Journal of Operational Research

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**Editor:**

**Current editor:**Jesus Artalejo

**Current editor:**Jean-Charles. Billaut

**Current editor:**Robert Dyson

**Current editor:**Lorenzo Peccati

**For corrections or technical questions regarding this series, please contact (Zhang, Lei)**

**Series handle:**repec:eee:ejores

**ISSN:**0377-2217

**Citations RSS feed:**at CitEc

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### 1995, Volume 82, Issue 2

**323-338 Maintenance optimization of a production system with buffer capacity***by*Van der Duyn Schouten, F. A. & Vanneste, S. G.**339-358 Time scale decomposition in production planning for unreliable flexible manufacturing systems***by*Haurie, A.**359-372 Turnpikes in flow control models of unreliable manufacturing systems***by*Haurie, A. & van Delft, Ch.**373-382 Contract design and the control of quality in a conflictual environment***by*Reyniers, Diane J. & Tapiero, Charles S.

### 1995, Volume 82, Issue 1

**1-17 Mathematical models of brand choice behavior***by*Manrai, Ajay K.**18-25 Application of goal programming in project selection decision -- A case study from the Indian coal mining industry***by*Mukherjee, Kampan & Bera, Achintya**26-38 Process technologies, learning and brand proliferation***by*Tombak, Mihkel M.**39-52 A fuzzy set model for market share and preference prediction***by*Burhan Turksen, I. & Willson, Ian A.**53-78 Modeling global market entry decision by fuzzy logic with an application to country risk assessment***by*Levy, Joshua B. & Yoon, Eunsang**79-97 Qualitative multicriteria methods for fuzzy evaluation problems: An illustration of economic-ecological evaluation***by*Munda, G. & Nijkamp, P. & Rietveld, P.**98-110 Warehouse-retailer system with stochastic demands -- Non-identical retailer case***by*Chew, Ek Peng & Tang, Loon Ching**111-124 Financial planning with fractional goals***by*Goedhart, Marc H. & Spronk, Jaap**125-144 Preventive maintenance with limited historical data***by*Silver, Edward A. & Fiechter, Claude-Nicolas**145-162 Verification and validation of simulation models***by*Kleijnen, Jack P. C.**163-175 Water supply operations during drought: A discrete hedging rule***by*Shih, Jhih-Shyang & ReVelle, Charles**176-189 Tabu search for the multilevel generalized assignment problem***by*Laguna, Manuel & Kelly, James P. & Gonzalez-Velarde, JoseLuis & Glover, Fred**190-205 Exact and approximation algorithms for the operational fixed interval scheduling problem***by*Kroon, Leo G. & Salomon, Marc & Van Wassenhove, Luk N.**206-208 Avoiding anomalies in the 2 algorithm by Martello and Toth***by*Pisinger, David**209-210 A one-vendor multi-buyer integrated inventory model: A comment***by*Goyal, S. K.

### 1995, Volume 81, Issue 3

**445-459 High interaction graphics***by*Eick, Stephen G. & Wills, Graham J.**460-473 Reconsidering the distribution structure of gasoline products for a large oil company***by*van der Bruggen, Lambert & Gruson, Ruud & Salomon, Marc**474-478 Sales effects of depot locations***by*Baunack, Bettina & Mercer, Alan & Napp, Anna**479-488 Pictures from an exhibition: Images of OR/MS***by*Pidd, Michael**489-499 Service level risk in a pipeline system: A stochastic analysis***by*von Lanzenauer, Christoph Haehling & James, William G. & Wright, Don D.**500-511 Water resources planning in the Middle East: Application of the PROMETHEE V multicriteria method***by*Abu-Taleb, Maher F. & Mareschal, Bertrand**512-520 Effects of inflation and time-value of money on an inventory model with time-dependent demand rate and shortages***by*Hariga, Moncer A.**521-534 Industry simulation: System modelling with an object oriented/DEVS technology***by*Ninios, Panagiotis & Vlahos, Kiriakos & Bunn, Derek W.**535-542 A reservoir hydroelectric system: Exactly and approximately optimal policies***by*Lamond, Bernard F. & Monroe, Susan L. & Sobel, Matthew J.**543-552 Some problems with the design of self-learning open-loop control systems***by*Flikop, Ziny**553-556 A worst-case analysis of two approximate algorithms for the asymmetric travelling salesman problem***by*Righini, Giovanni & Trubian, Marco**557-560 Transformation of multidepot multisalesmen problem to the standard travelling salesman problem***by*Yang GuoXing**561-570 The minimal average cost flow problem***by*Chen, Y. L.**571-578 Flowshop sequencing with mean flowtime objective***by*Ho, Johnny C.**579-589 A procedure for the one-machine sequencing problem with dependent jobs***by*Dauzere-Peres, Stephane**590-596 A discussion of testing DMUs' returns to scale***by*Joe Zhu & Zhao-Han Shen**597-604 Solution of a tinned iron purchasing problem by Lagrangean relaxation***by*Dorhout, B.**605-616 Logic applied to integer programming and integer programming applied to logic***by*Williams, H. P.**617-628 A parallel depth first search branch and bound algorithm for the quadratic assignment problem***by*Mans, Bernard & Mautor, Thierry & Roucairol, Catherine**629-633 Ratio combinatorial programs***by*Aneja, Y. P. & Kabadi, S. N.**634-643 Minmax combinatorial optimization***by*Punnen, Abraham P. & Aneja, Y. P.**644-651 Solving a bilevel linear program when the inner decision maker controls few variables***by*Liu, Yi-Hsin & Spencer, Thomas H.**652-662 On linear inequality systems without strongly redundant constraints***by*Derks, J. J. M.

### 1995, Volume 81, Issue 2

**225-238 The discrete time-cost tradeoff problem revisited***by*De, Prabuddha & James Dunne, E. & Ghosh, Jay B. & Wells, Charles E.**239-248 Multiple period repair kit problem with a job completion criterion: A case study***by*Heeremans, D. & Gelders, L. F.**249-258 Designing a quality control system in a service organization: A goal programming case study***by*Schniederjans, Marc J. & Karuppan, Corinne M.**259-270 An analysis of lead-lag structures using a frequency domain approach: Empirical evidence from the Finnish and Swedish stock markets***by*Knif, Johan & Pynnonen, Seppo & Luoma, Martti**271-280 An information-theoretic two-stage, two-decision rule, choice model***by*Gensch, Dennis H. & Soofi, Ehsan S.**281-290 Novel types of sensitivity analysis for additive MCDM methods***by*Wolters, W. T. M. & Mareschal, B.**291-301 Multi-criteria analysis with partial information about the weighting coefficients***by*Carrizosa, E. & Conde, E. & Fernandez, F. R. & Puerto, J.**302-311 On evaluating the performance of `wide-band' GDSS's***by*Eden, Colin**312-323 A one-vendor multi-buyer integrated inventory model***by*Lu, Lu**324-335 Stochastic choice hazard and incentives in a common service facility***by*Radhakrishnan, Suresh & Balachandran, Kashi R.**336-345 A predictive model for the throughput of simple assembly systems***by*Baker, Kenneth R. & Powell, Stephen G.**346-356 Optimal control of a simple immigration-birth-death process through total catastrophes***by*Kyriakidis, E. G.**357-363 Optimal pest control through the introduction of a predator***by*Kyriakidis, E. G.**364-375 Resource-constrained job scheduling with recyclable resources***by*Shewchuk, John P. & Chang, T. C.**376-387 Scheduling on a two-machine flowshop subject to random breakdowns with a makespan objective function***by*Allahverdi, Ali & Mittenthal, John**388-398 Modified simulated annealing algorithms for the flow shop sequencing problem***by*Ishibuchi, Hisao & Misaki, Shinta & Tanaka, Hideo**399-409 A fuzzy satisficing method for large-scale linear programming problems with block angular structure***by*Sakawa, Masatoshi & Sawada, Kazuya & Inuiguchi, Masahiro**410-419 Special cases of the quadratic assignment problem***by*Chen, Bintong**420-429 The linear complementarity problem with a parametric input***by*Xiao, Baichun**430-439 A constrained Steiner tree problem***by*Rosenwein, Moshe B. & Wong, Richard T.**440-443 A direct approach for finding all efficient solutions for multiobjective programming problems***by*Youness, Ebrahim A.

### 1995, Volume 81, Issue 1

**1-16 The analysis of survey data***by*Stack, Jim**17-34 A Decision Support System (DSS) for agricultural pesticide production planning***by*Elimam, A.A.**35-49 An integrated model for the development of marginal water sources in the Negev Desert***by*Brimberg, Jack & Mehrez, Abraham & Oron, Gideon**50-61 A heuristic approach to improving the design of nurse training schedules***by*Nooriafshar, Mehryar**62-75 A decision aid for coordinating fishing and fish processing***by*Randhawa, Sabah U. & Bjarnason, Einar T.**76-87 A decision support approach for negotiation with an application to agricultural income policy negotiations***by*Teich, Jeffrey E. & Wallenius, Hannele & Kuula, Markku & Zionts, Stanley**88-104 Multiple and bicriteria scheduling: A literature survey***by*Nagar, Amit & Haddock, Jorge & Heragu, Sunderesh**105-114 A two-phase model for planning the production of aluminum ingot***by*Bowers, M.R. & Kaplan, L.A. & Hooker, T.L.**115-133 Assignment of tools to machines in a flexible manufacturing system***by*D'Alfonso, Thomas H. & Ventura, Jose A.**134-142 Minimizing late jobs in the general one machine scheduling problem***by*Dauzere-Peres, Stephane**143-153 Optimization of order-up-to-S policies for two-level inventory systems with compound Poisson demand***by*Forsberg, Rolf**154-165 Bounds for nested knapsack problems***by*Johnston, Robert E. & Khan, Lutfar R.**166-175 A note on the rule for sequential selection***by*Mehrez, Abraham & Rabinowitz, Gad**176-187 A reference direction approach to multiple objective integer linear programming***by*Karaivanova, Jasmina & Korhonen, Pekka & Narula, Subhash & Wallenius, Jyrki & Vassilev, Vassil**188-204 Algodesk: An experimental comparison of eight evolutionary heuristics applied to the Quadratic Assignment Problem***by*Maniezzo, Vittorio & Dorigo, Marco & Colorni, Alberto**205-216 An algorithm for Quadratic Assignment Problems***by*Li, Wu-Ji & Smith, J. MacGregor**217-218 MINOS(IIS) version 4.2: Analyzing infeasibilities in linear programs***by*Chinneck, John W. & Saunders, Michael A.

### 1995, Volume 80, Issue 3

**218-451 Productivity analysis: Parametric and non-parametric applications***by*Lewin, Arie Y. & Lovell, C. A. Knox**452-461 Econometric efficiency analysis: A policy-oriented review***by*Lovell, C. A. Knox**462-473 Components of efficiency evaluation in data envelopment analysis***by*Ali, Agha Iqbal & Lerme, Catherine S. & Seiford, Lawrence M.**474-499 Non-parametric efficiency, progress and regress measures for panel data: Methodological aspects***by*Tulkens, Henry & Vanden Eeckaut, Philippe**500-507 Decomposing efficiency into its managerial and its regulatory components: The case of European railways***by*Gathon, H. -J. & Pestieau, P.**508-518 Airline efficiency differences between Europe and the US: Implications for the pace of EC integration and domestic regulation***by*Good, David H. & Roller, Lars-Hendrik & Sickles, Robin C.**519-533 Efficiency of the Swedish pork industry: A farm level study using rotating panel data 1976-1988***by*Heshmati, Almas & Kumbhakar, Subal C. & Hjalmarsson, Lennart**534-547 Stochastic production frontiers and panel data: A latent variable framework***by*Ivaldi, Marc & Monier-Dilhan, Sylvette & Simioni, Michel**548-574 Evaluating physician efficiency in hospitals: A multivariate analysis of best practices***by*Chilingerian, Jon A.**575-587 Estimating output substitutability of hospital services: A distance function approach***by*Grosskopf, S. & Margaritis, D. & Valdmanis, V.**588-607 Exploring output quality targets in the provision of perinatal care in England using data envelopment analysis***by*Thanassoulis, E. & Boussofiane, A. & Dyson, R. G.**608-618 On the relative efficiency of alternative modes of producing a public sector output: The case of the developmentally disabled***by*Dusansky, Richard & Wilson, Paul W.**619-638 Strategic leaders or strategic groups: A longitudinal data envelopment analysis of the U.S. brewing industry***by*Day, Diana L. & Lewin, Arie Y. & Li, Hongyu**639-653 The technical efficiency of vacuum-pan sugar industry of India: An application of a stochastic frontier production function using panel data***by*Ferrantino, Michael J. & Ferrier, Gary D.**654-671 Cost efficiency in the US steel industry: A nonparametric analysis using data envelopment analysis***by*Ray, Subhash C. & Kim, Hiung Joon**672-690 Regional concentration and efficiency in Mexican manufacturing***by*Bannister, Geoffrey J. & Stolp, Chandler**691-702 Measuring technical progress with data envelopment analysis***by*Wei, Q. L. & Sun, Bruce & Xiao, Z. J.

### 1995, Volume 80, Issue 2

**239-702 Integrating production lotsizing, inspection, and rework decisions: Useful models and applications***by*Tayi, Giri Kumar**240-251 Quality defaults and work-in-process inventory***by*Cordon, Carlos**252-263 Optimal recovery strategies for manufacturing systems***by*Kao, Jih-Forg**264-276 Production to order on a two machine line with random yields and rigid demand***by*Grosfeld-Nir, Abraham & Robinson, Lawrence W.**277-296 Specialized inspection problems in serial production systems***by*Rebello, Ranjit & Agnetis, Alessandro & Mirchandani, Pitu B.**297-307 Single bottleneck systems with proportional expected yields and rigid demand***by*Grosfeld-Nir, Abraham**308-327 The impact of defects on a process with rework***by*Agnihothri, Saligrama R. & Kenett, Ron S.**328-343 Economic purchasing strategies for temporary price discounts***by*Tersine, Richard J. & Barman, Samir**344-349 Processing networks with planned inventories: Tandem queues with feedback***by*Zipkin, Paul**350-356 The development of a rule based expert system model for fraud alert in consumer credit***by*Leonard, Kevin J.**357-364 The effect of axis rotation on distance estimation***by*Brimberg, Jack & Love, Robert F. & Walker, John H.**365-370 Using degree of consensus in two-level fuzzy pattern recognition***by*Kuncheva, Ludmila I.**371-380 Analysis of approximation algorithms for single-machine scheduling with delivery times and sequence independent batch setup times***by*Zdrzalka, Stanislaw**381-388 Scheduling to minimize the total resource consumption with a constraint on the sum of completion times***by*Li, Chung-Lun**389-396 An application of genetic algorithms for flow shop problems***by*Chen, Chuen-Lung & Vempati, Venkateswara S. & Aljaber, Nasser**397-403 Heuristics for scheduling a single machine subject to unequal job release times***by*Reeves, Colin**404-409 Bicriterion stochastic scheduling on one or more machines***by*Forst, Frank G.**410-417 Using AHP for resource allocation problems***by*Ramanathan, R. & Ganesh, L. S.**418-424 Some concave-convex representations of the quadratic assignment problem***by*White, D. J.**425-430 Symmetric duality for minimax nonlinear mixed integer programming***by*Kumar, V. & Husain, I. & Chandra, S.**431-438 An algorithm to determine boundedness of quadratically constrained convex quadratic programmes***by*Caron, Richard J. & Obuchowska, Wieslawa T.**439-445 A theorem on nonconvex functions and its application to vector optimization***by*Kaliszewski, Ignacy**446-450 The canonical order and greedy algorithms***by*Kovalev, M. M. & Vasilkov, D. M.

### 1995, Volume 80, Issue 1

**1-450 Editorial***by*Mercer, Alan & Tilanus, Bernhard & Zimmermann, Hans-Jurgen**2-15 Corporate environmental and resource management: In search of a new managerial paradigm***by*Ulhoi, John P.**16-24 A location-distribution application for a beer company***by*Koksalan, Murat & Sural, Haldun & Kirca, Omer**25-33 OR in practice: Results of a survey in the United Arab Emirates***by*Kemp, Bernard J. & Yousef, Darwish A.**34-44 Financial ratio distribution irregularities: Implications for ratio classification***by*Martikainen, Teppo & Perttunen, Jukka & Yli-Olli, Paavo & Gunasekaran, A.**45-58 Air traffic management: High-low traffic intensity analysis***by*Velazco, Enio E.**59-67 Evaluating sampling strategy under two criteria***by*Ronen, Boaz & Spector, Yishay**68-76 An analytical model for the container loading problem***by*Chen, C. S. & Lee, S. M. & Shen, Q. S.**77-85 Competitive location with rectilinear distances***by*Infante-Macias, R. & Munoz-Perez, J.**86-93 Inverse inconsistency in analytic hierarchies***by*Dodd, F. J. & Donegan, H. A. & McMaster, T. B. M.**94-102 Semi-active, active, and non-delay schedules for the resource-constrained project scheduling problem***by*Sprecher, Arno & Kolisch, Rainer & Drexl, Andreas**103-111 Weighted flow time bounds for scheduling identical processors***by*Webster, Scott**112-120 Global lower bounds for flow shops with multiple processors***by*Santos, D. L. & Hunsucker, J. L. & Deal, D. E.**121-129 Nesting planning based on production priorities and technological efficiency***by*Maimon, Oded & Dayagi, Arie**130-138 Decision support system for the composition of the examination problem***by*Miyaji, Isao & Nakagawa, Yuji & Ohno, Katsuhisa**139-146 A polynomial-time algorithm for message routing in hierarchical communication networks***by*Polak, George G. & Ahuja, Ravindra K.**147-155 A submodular approach to discrete dynamic programming***by*Klein, C. M.**156-165 An algorithm for generating efficient solutions of multiobjective dynamic programming problems***by*Abo-Sinna, Mahmoud A. & Hussein, Mohammad L.**166-174 A discretizing algorithm for location problems***by*Carrizosa, E. J. & Puerto, J.**175-183 Search-hide games on trees***by*Cao, Buyang**184-192 Solving a class of LP problems with a primal-dual logarithmic barrier method***by*Gondzio, Jacek & Makowski, Marek**193-203 Use of reference points for solving MONLP problems***by*Metev, Boyan**204-212 A representation of an efficiency equivalent polyhedron for the objective set of a multiple objective linear program***by*Gallagher, Richard J. & Saleh, Ossama A.**213-225 A linear approximation method for solving a special class of the chance constrained programming problem***by*Zare M., Yahia & Daneshmand, Ahmad**226-235 A parametric maximum flow algorithm for bipartite graphs with applications***by*Chen, Y. L.

### 1994, Volume 79, Issue 3

**383-404 Flexible automation investments: A problem formulation and solution procedure***by*Lotfi, Vahid & Suresh, Nallan C.**405-416 Extended block replacement policy with used item and general random minimal repair cost***by*Sheu, Shey-Huei**417-430 An analysis of shift class design problems***by*Kolen, Antoon W. J. & Kroon, Leo G.**431-442 Design of a two-stage procedure for three-class screening***by*Tae Kim, Chung & Tang, Kwei & Peters, Michael**443-450 An interactive algorithm for solving multiple objective integer linear programming problems***by*Narula, Subhash C. & Vassilev, Vassil**451-473 The general multi-retailer EOQ problem with vehicle routing costs***by*Anily, Shoshana**474-488 Data-level parallel solution of min-cost network flow problems using [epsilon]-relaxations***by*Li, Xiaoye & Zenios, Stavros A.**489-500 Modelling a large, sparse spatial interaction matrix using data relating to a subset of possible flows***by*Bailey, T. C. & Munford, A. G.**501-523 Lagrangian relaxation based approaches to capacitated hub-and-spoke network design problem***by*Aykin, Turgut**524-536 A TSSP + 1 decomposition strategy for the vehicle routing problem***by*Noon, Charles E. & Mittenthal, John & Pillai, Rekha**537-548 Pseudoconvex optimization for a special problem of paint industry***by*Illes, Tibor & Mayer, Janos & Terlaky, Tamas**549-550 The job shop tardiness problem: a corrected model***by*Wilhelm, S.

### 1994, Volume 79, Issue 2

**153-157 A comparative study in DSS development***by*van Hee, Kees M. & Lenstra, Jan Karel**158-166 `PLATE': A decision support system for resource constrained scheduling problems***by*Aerts, A. T. M. & Jansen, A. & Klieb, L. & Noorlander, C. & Wolf, G.**167-175 A network flow algorithm for just-in-time project scheduling***by*Levner, E. V. & Nemirovsky, A. S.**176-182 Development of a heuristic project scheduler under resource constraints***by*Minciardi, R. & Paolucci, M. & Puliafito, P. P.**183-195 A decision support system for the resource constrained project scheduling problem***by*Nowicki, E. & Smutnicki, C.**196-207 MIPS: A DSS for multiobjective interactive project scheduling***by*Rys, Tomasz & Stanek, Rafal & Ziembla, Wieslaw**208-219 A decomposition approach in a DSS for a resource constrained scheduling problem***by*Serafini, P. & Speranza, M. G.**220-229 DSS for multiobjective project scheduling***by*Slowinski, Roman & Soniewicki, Boleslaw & Weglarz, Jan**230-238 On the usefulness of standard industrial classifications in comparative financial statement analysis***by*Dahlstedt, Roy & Salmi, Timo & Luoma, Martti & Laakkonen, Arto**239-248 Resource allocation for a stochastic CPM-type network through perturbation analysis***by*Wan, Yat-wah**249-265 Group preference aggregation methods employed in AHP: An evaluation and an intrinsic process for deriving members' weightages***by*Ramanathan, R. & Ganesh, L. S.**266-276 A robust strategy approach to a strategic mobility problem***by*Ulusoy, Gunduz & Uzsoy, Reha**277-286 Valued preference structures***by*Fodor, Janos C. & Roubens, Marc**287-298 A local constraint based analysis approach to project scheduling under general resource constraints***by*Ozdamar, Linet & Ulusoy, Gunduz**299-310 The Travelling Salesman Problem with pick-up and delivery***by*Mosheiov, Gur**311-324 Inspection error effects on economic selection of target value for a production process***by*Chen, Shieh-Liang & Chung, Kun-Jen**325-339 On the coordination of product and by-product flows in two-level distribution networks: Model formulations and solution procedures***by*Bloemhof-Ruwaard, Jacqueline M. & Salomon, Marc & Van Wassenhove, Luk N.**340-351 Combinatorial algorithms for some 1-facility median problems in the plane***by*Hamacher, H. W. & Nickel, S.**352-368 The k-neighbor, r-domination problems on interval graphs***by*Joshi, Dipti S. & Radhakrishnan, Sridhar & Chandrasekharan, N.**369-378 A quadratically convergent global algorithm for the linearly-constrained minimum cross-entropy problem***by*Fang, S. C. & Tsao, H. S. J.**379-382 Estimation of returns to scale using data envelopment analysis: A comment***by*Fare, Rolf & Grosskopf, Shawna

### 1994, Volume 79, Issue 1

**1-12 One machine scheduling problem with fuzzy duedates***by*Han, Sangsu & Ishii, Hiroaki & Fujii, Susumu**13-24 Optimal recycling of waste materials in a plastic extrusion production process***by*Ladany, S. P. & So, K. C.**25-37 A Lagrangean decomposition solution to a single line multiproduct scheduling problem***by*de Matta, Renato**38-50 Group scheduling jobs on a single machine: A multi-objective approach with preemptive priority structure***by*Rana, S. P. & Singh, N.**51-72 Reliability of interconnected scheduled services***by*Carey, Malachy**73-84 Operationalizing approximate multiattribute utility functions for use in practice***by*Corner, James L.**85-94 A simple algorithm to incorporate transactions costs in quadratic optimisation***by*Adcock, C. J. & Meade, N.**95-114 A polyhedral approach to the rural postman problem***by*Corberan, A. & Sanchis, J. M.**115-122 Decision making under partial probability information***by*Parkan, Celik**123-137 Optimal and heuristic inventory replenishment models for deteriorating items with exponential time-varying demand***by*Hariga, Moncer A. & Benkherouf, Lakdere**138-150 A surrogate heuristic for set covering problems***by*Lorena, Luiz Antonio N. & Belo Lopes, Fabio

### 1994, Volume 78, Issue 3

**277-303 Optimization by pattern search***by*Sherif, Yosef S. & Boice, Bruce A.**304-317 An interactive technique for the cutting stock problem with multiple objectives***by*Abd El-Aal, Reda M. S.**318-333 The design of optimum component test plans in the demonstration of system reliability***by*Kuban Altinel, Ismail**334-354 Supplier pricing and lot sizing when demand is price sensitive***by*Abad, P. L.**355-366 A dynamic service quality cost model with word-of-mouth advertising***by*Archer, N. P. & Wesolowsky, G. O.**367-379 A multiple-criteria composite index model for quantitative and qualitative data***by*Cook, Wade D. & Kress, Moshe**380-393 A fuzzy set theoretic approach to qualitative analysis of causal loops in system dynamics***by*Pankaj & Seth, Kiran & Sushil**394-403 Single machine scheduling with start time dependent processing times: Some solvable cases***by*Sundararaghavan, P. S. & Kunnathur, A. S.**404-412 Necessary and sufficient conditions of unacceptable solutions in NLP discriminant analysis***by*Xiao, Baichun**413-425 Topology related index for performance comparison of blocking symmetrical networks***by*de Nitto Persone, Vittoria**426-440 Waiting time estimation in a manufacturing system using the number of machine idle periods***by*Jang, Jaejin & Liu, C. Richard