Oluwafemi, Temidayo Joseph, and Miswanto Miswanto. “ANALYSIS OF SMOKING AND COVID-19 MATHEMATICAL MODEL”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 20, no. 1 (November 24, 2025): 0299-0312. Accessed November 26, 2025. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/18045.