List of Articles Mixed integer linear programming Open Access Article Abstract Page Full-Text 1 - Green Vehicle Routing Problem with Safety and Social Concerns arghavan sharafi Mahdi Bashiri 10.22094/joie.2016.264 20.1001.1.22519904.2017.10.21.10.3 Open Access Article Abstract Page Full-Text 2 - Modeling and scheduling no-idle hybrid flow shop problems Mehdi Yazdani Bahman Naderi 10.22094/joie.2016.261 20.1001.1.22519904.2017.10.21.7.0 Open Access Article Abstract Page Full-Text 3 - 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 4 - Machine scheduling for multitask machining Saleh Yavari Ahmed Azab Mohammed Fazle Baki Mikel Alcelay Justin Britt 10.22094/joie.2020.1869865.1660 20.1001.1.22519904.2020.13.2.1.7 Open Access Article Abstract Page Full-Text 5 - A Non-radial Approach for Setting Integer-valued Targets in Data Envelopment Analysis Reza Kazemi Matin Open Access Article Abstract Page Full-Text 6 - Modelling and Scheduling Lot Streaming Flexible Flow Lines Bahman naderi Mehdi Yazdani 20.1001.1.22519904.2015.8.18.6.9