issue 1 publication date 2018-03-01

• An Integrated Approach of Fuzzy Quality Function Deployment and Fuzzy Multi-Objective Programming Tosustainable Supplier Selection and Order Allocation
• Service Performance Improvement Model: The Case of Teklehaymanot General Hospital
• Design of a Hybrid Genetic Algorithm for Parallel Machines Scheduling to Minimize Job Tardiness and Machine Deteriorating Costs with Deteriorating Jobs in a Batched Delivery System
• Location-Allocation and Scheduling of Inbound and Outbound Trucks in Multiple Cross-Dockings Considering Breakdown Trucks
• Effects of Probability Function on the Performance of Stochastic Programming
• A Bi-Objective Airport Gate Scheduling with Controllable Processing Times Using Harmony Search and NSGA-II Algorithms
• Presentation and Solving Non-Linear Quad-Level Programming Problem Utilizing a Heuristic Approach Based on Taylor Theorem
• A Stochastic Optimization Approach to a Location-Allocation Problem of Organ Transplant Centers
• Optimizing a Fuzzy Green p-hub Centre Problem Using Opposition Biogeography Based Optimization
• Fuzzy Mathematical Model For A Lot-Sizing Problem In Closed-Loop Supply Chain
• Hub Covering Location Problem Considering Queuing and Capacity Constraints
• A Multi-Objective Mixed-Model Assembly Line Sequencing Problem With Stochastic Operation Time
• Modeling and Solution Procedure for a Preemptive Multi-Objective Multi-Mode Project Scheduling Model in Resource Investment Problems
• Scheduling of Multiple Autonomous Guided Vehicles for an Assembly Line Using Minimum Cost Network Flow
• A Ratio-Based Efficiency Measurement for Ranking Multi-Stage Production Systems in DEA