Marsudi, Muhammad, Dzuraidah Abdul Wahab, and Che Hasan Che Haron. “The Application of Spreadsheet Model Based on Queuing Network to Optimize Capacity Utilization in Product Development”. International Journal of Integrated Engineering 1, no. 1 (September 27, 2009). Accessed May 3, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/75.