Suparno, Suparno, Sri Wahyuni Jamal, and Riski Safitri. “Model Klasik Dan Model Fraksional Untuk Dinamika Penyebaran Virus Covid-19 Berbasis Model Lotka-Volterra”. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika 19, no. 2 (November 18, 2024): 92–101. Accessed February 12, 2026. https://jurnal.uny.ac.id/index.php/pythagoras/article/view/76358.