List of Articles Ibrahim Yusuf Article 1 - Copula Approach for Reliability and Performance Estimation of Manufacturing System 10.30495/jiei.2023.1949061.1195 Ibrahim Yusuf Abdullahi Sanusi Journal of Industrial Engineering International , Issue 2 , Year , Spring 2022 Article 2 - Performance Assessment of a Serial System with Human Operators Attended by Repair Machines 10.30495/jiei.2023.1969294.1255 Ibrahim Yusuf Hamisu Ayagi Wan Zhong Abdulkareem Ismail Journal of Industrial Engineering International , Issue 1 , Year , Winter 2023