List of Articles Afshin Yaghoubi 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 Article 2 - Exact equations for the reliability and mean time to failure of 1-out-of-n cold-standby system with imperfect switching 20.1001.1.22519904.2021.14.2.15.8 10.22094/joie.2020.1905939.1773 Seyed Taghi Akhavan Niaki Afshin Yaghoubi Journal of Optimization in Industrial Engineering , Issue 31 , Year , Autumn 2021