Muhammad Kholil. “Implementation of Lean Manufacturing to Reduce Hold Types of Mission Case Products Using DMAIC and KAIZEN Approach”. International Journal of Scientific and Applied Research (IJSAR), eISSN: 2583-0279 3, no. 2 (February 15, 2023): 34–43. Accessed June 13, 2024. https://ijsar.net/index.php/ijsar/article/view/87.