Norasia, Yolanda, Zulaikha Zulaikha, Mohammad Ghani, and Denis Sospeter Mukama. 2022. “Optimal Control of HIV-1 Spread in Combination With Nutritional Status and ARV-Treatment”. (IJCSAM) International Journal of Computing Science and Applied Mathematics 8 (2):66-70. https://journal.its.ac.id/index.php/ijcsam/article/view/4670.