Cahyaningtias, Sari, and Rani Kurnia Putri. “Analisis Keterkontrolan Model Penyebaran Virus Polio Tipe Vaccine-Derived Polio Virus (VDPV) Dan Wild Polio Virus (WPV)”. UJMC (Unisda Journal of Mathematics and Computer Science) 5, no. 01 (June 13, 2019): 35–40. Accessed June 5, 2026. https://ejournal.unisda.ac.id/index.php/ujmc/article/view/1492.