Ahn, Namsu, and Seungwon Baik. “COMPUTATIONAL PERFORMANCE COMPARISON OF MATHEMATICAL MODELS FOR MULTI-LEVEL REDUNDANCY ALLOCATION PROBLEM”. International Journal of Industrial Engineering: Theory, Applications and Practice 30, no. 5 (October 17, 2023). Accessed April 30, 2026. https://ijietap.com/index.php/ijie/article/view/8625.