Sugiyanto, and Muchammad Abrori. 2023. “Covid-19 Transmission Modeling (Case Study of Jawa Timur Province and Daerah Khusus Ibukota Jakarta Province, Indonesia)”. Proceeding International Conference on Religion, Science and Education 2 (April):715-19. http://sunankalijaga.org/prosiding/index.php/icrse/article/view/986.