Romero-Leiton, Jhoana Patricia, Muhammad Ozair, and Takasar Hussaing. “Optimal Control Problem for Cholera Disease and Cost-Effectiveness Analysis”. Journal of Mathematical and Fundamental Sciences 53, no. 2 (September 8, 2021): 200-217. Accessed January 4, 2026. https://journals.itb.ac.id/index.php/jmfs/article/view/13214.