Papalia, Anita, Yopi Lesnussa, Monalisa Rijoly, and Olumuyiwa Peter. “NUMERICAL SOLUTION OF THE SEIR MODEL USING THE FOURTH-ORDER RUNGE-KUTTA METHOD TO PREDICT THE SPREAD OF HEPATITIS B DISEASE IN AMBON CITY”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 18, no. 3 (July 31, 2024): 2047-2056. Accessed August 6, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/13481.