List of Articles Open Access Article Abstract Page Full-Text 1 - DEVELOPMENT OF PRODUCTIVITY MEASUREMENT AND ANALYSIS FRAMEWORK FOR MANUFACTURING COMPANIES Yitagesu Yilma Goshu Amare Matebu Daniel Kitaw 10.22094/joie.2017.274 20.1001.1.22519904.2017.10.22.1.6 Open Access Article Abstract Page Full-Text 2 - A TQM and JIT Integrated Continuous Improvement Model For Organizational Success: An Innovative Framework gezahegn Dadi Daniel Azene 10.22094/joie.2017.265 20.1001.1.22519904.2017.10.22.2.7 Open Access Article Abstract Page Full-Text 3 - Development of a novel lot sizing model with variable lead time in supply chain environment Jitendra Kumar Nirjhar Roy Ali Mostafaeipour Mojtaba Qolipour 10.22094/joie.2017.275 20.1001.1.22519904.2017.10.22.3.8 Open Access Article Abstract Page Full-Text 4 - An integrated model of cellular manufacturing and supplier selection considering product quality Habib Heydari Mohammad Mahdi Paydar Iraj Mahdavi 10.22094/joie.2017.269 20.1001.1.22519904.2017.10.22.4.9 Open Access Article Abstract Page Full-Text 5 - A Hybrid Grey based Two Steps Clustering and Firefly Algorithm for Portfolio Selection farshad faezy razi Naeimeh Shadloo 10.22094/joie.2017.276 20.1001.1.22519904.2017.10.22.5.0 Open Access Article Abstract Page Full-Text 6 - A Fuzzy Goal Programming Model for Efficient Portfolio Selection. Abolfazl Kazemi Ali Shakourloo Alireza Alinezhad 10.22094/joie.2017.277 20.1001.1.22519904.2017.10.22.6.1 Open Access Article Abstract Page Full-Text 7 - An Assessment Method for Project Cash Flow under Interval-Valued Fuzzy Environment Vahid Mohagheghi SEYED meysam mousavi Behnam Vahdani 10.22094/joie.2017.278 20.1001.1.22519904.2017.10.22.7.2 Open Access Article Abstract Page Full-Text 8 - The Bi-Objective Location-Routing Problem based on Simultaneous Pickup and Delivery with Soft Time Window Elham Jelodari Mamaghani Mostafa Setak 10.22094/joie.2017.279 20.1001.1.22519904.2017.10.22.8.3 Open Access Article Abstract Page Full-Text 9 - Direct Optimal Motion Planning for Omni-directional Mobile Robots under Limitation on Velocity and Acceleration Naser Azim Mohseni Ahmad Fakharian 10.22094/joie.2017.280 20.1001.1.22519904.2017.10.22.9.4 Open Access Article Abstract Page Full-Text 10 - An Ant Colony approach to forward-reverse logistics network design under demand certainty hamed Soleimani Mostafa Zohal 10.22094/joie.2017.281 20.1001.1.22519904.2017.10.22.10.5