List of Articles Open Access Article Abstract Page Full-Text 1 - An Integrated Approach of Fuzzy Quality Function Deployment and Fuzzy Multi-Objective Programming Tosustainable Supplier Selection and Order Allocation Amir Hossein Azadnia Pezhman Ghadimi 10.22094/joie.2017.629.1405 20.1001.1.22519904.2018.11.1.1.1 Open Access Article Abstract Page Full-Text 2 - Service Performance Improvement Model: The Case of Teklehaymanot General Hospital Eshetie Berhan Selam Yibeltal Sisay Geremew 10.22094/joie.2017.716.1452 20.1001.1.22519904.2018.11.1.2.2 Open Access Article Abstract Page Full-Text 3 - 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 Mohammad Saidi-Mehrabad Samira Bairamzadeh 10.22094/joie.2018.272 20.1001.1.22519904.2018.11.1.3.3 Open Access Article Abstract Page Full-Text 4 - Location-Allocation and Scheduling of Inbound and Outbound Trucks in Multiple Cross-Dockings Considering Breakdown Trucks javad Behnamian Seyed Mohammad Taghi Fatemi Ghomi Fariborz Jolai Pooya Heidary 10.22094/joie.2017.594.1382 20.1001.1.22519904.2018.11.1.4.4 Open Access Article Abstract Page Full-Text 5 - Effects of Probability Function on the Performance of Stochastic Programming Mohammad Ebrahim Karbaschi Mohammad Reza Banan 10.22094/joie.2017.567.63 20.1001.1.22519904.2018.11.1.5.5 Open Access Article Abstract Page Full-Text 6 - A Bi-Objective Airport Gate Scheduling with Controllable Processing Times Using Harmony Search and NSGA-II Algorithms Morteza khakzar Bafruei Sananz khatibi Morteza Rahmani 10.22094/joie.2018.234 20.1001.1.22519904.2018.11.1.6.6 Open Access Article Abstract Page Full-Text 7 - Presentation and Solving Non-Linear Quad-Level Programming Problem Utilizing a Heuristic Approach Based on Taylor Theorem Eghbal Hosseini 10.22094/joie.2017.282 20.1001.1.22519904.2018.11.1.7.7 Open Access Article Abstract Page Full-Text 8 - A Stochastic Optimization Approach to a Location-Allocation Problem of Organ Transplant Centers Mahshid Ghane Reza Tavakkoli-Moghaddam 10.22094/joie.2018.266 20.1001.1.22519904.2018.11.1.8.8 Open Access Article Abstract Page Full-Text 9 - Optimizing a Fuzzy Green p-hub Centre Problem Using Opposition Biogeography Based Optimization Marzieh Karimi Seyed Hamid Reza Pasandideh 10.22094/joie.2017.670.1432 20.1001.1.22519904.2018.11.1.9.9 Open Access Article Abstract Page Full-Text 10 - Fuzzy Mathematical Model For A Lot-Sizing Problem In Closed-Loop Supply Chain Amir Fatehi Kivi Amir aydin Atashi Abkenar Hossin alipour 10.22094/joie.2018.268 20.1001.1.22519904.2018.11.1.10.0 Open Access Article Abstract Page Full-Text 11 - Hub Covering Location Problem Considering Queuing and Capacity Constraints Mehdi Seifbarghy Mojtaba Hemmati Sepideh Soltan Karimi 10.22094/joie.2017.351.0 20.1001.1.22519904.2018.11.1.11.1 Open Access Article Abstract Page Full-Text 12 - A Multi-Objective Mixed-Model Assembly Line Sequencing Problem With Stochastic Operation Time Parviz Fattahi Arezoo Askari 10.22094/joie.2017.568.62 20.1001.1.22519904.2018.11.1.12.2 Open Access Article Abstract Page Full-Text 13 - Modeling and Solution Procedure for a Preemptive Multi-Objective Multi-Mode Project Scheduling Model in Resource Investment Problems Mostafa Salimi Amir Abbas Najafi 10.22094/joie.2017.592.1381 20.1001.1.22519904.2018.11.1.13.3 Open Access Article Abstract Page Full-Text 14 - Scheduling of Multiple Autonomous Guided Vehicles for an Assembly Line Using Minimum Cost Network Flow Hamed Fazlollahtabar 10.22094/joie.2017.587.1378 20.1001.1.22519904.2018.11.1.14.4 Open Access Article Abstract Page Full-Text 15 - A Ratio-Based Efficiency Measurement for Ranking Multi-Stage Production Systems in DEA Roza Azizi Reza Kazemi Matin 10.22094/joie.2017.479.0 20.1001.1.22519904.2018.11.1.15.5