Nuha, Agusyarif, Novianita Achmad, Gusti Rahman, Syarif Abdullah, Sri Chasanah, Nina Valentika, and La Nashar. “ANALYSIS OF OPTIMUM CONTROL ON THE IMPLEMENTATION OF VACCINATION AND QUARANTINE ON THE SPREAD OF COVID-19”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, no. 4 (December 15, 2022): 1139-1146. Accessed April 29, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/5199.