List of Articles Roya Soltani Article 1 - Availability analysis of a cooking oil production line 20.1001.1.22519904.2021.14.1.1.2 10.22094/joie.2020.1889992.1712 Afshin Yaghoubi Saeed Rahimi Roya Soltani Seyed Taghi Akhavan Niaki Journal of Optimization in Industrial Engineering , Issue 30 , Year , Spring 2021