Adnan, Ahmad Naufal, and A. Ismail. “Production Leveling System Implementation at Mixed Model Product With Heterogeneous Cycle Time for Single Operation Line”. International Journal of Integrated Engineering 13, no. 2 (December 3, 2020): 196–201. Accessed July 18, 2024. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/7642.