Side, Syafruddin, Putri Kharina Mahathir Hulinggi, Husnul Khatimah Syam, Muhammad Irfan, Andi Gagah Palarungi Taufik, and Syafruddin Side. “The Effectiveness of Vaccination Against The Spread of COVID-19 With SEIR Mathematical Modeling in Gowa District”. Jurnal Varian 5, no. 1 (November 10, 2021): 17 - 28. Accessed April 27, 2024. https://journal.universitasbumigora.ac.id/index.php/Varian/article/view/1404.