Utti Marina Rifanti, Atika Ratna Dewi and Nurlaili (2021) “Model Matematika COVID-19 dengan Sumber Daya Pengobatan yang Terbatas”, Limits: Journal of Mathematics and Its Applications, 18(1), pp. 23–36. Available at: https://journal.its.ac.id/index.php/limits/article/view/5367 (Accessed: 14 February 2026).