Indriyani, Desi, and Subiono Subiono. “Scheduling Of The Crystal Sugar Production System in Sugar Factory Using Max-Plus Algebra”. (IJCSAM) International Journal of Computing Science and Applied Mathematics 2, no. 3 (September 15, 2016): 33–37. Accessed January 30, 2026. https://journal.its.ac.id/index.php/ijcsam/article/view/4604.