AINI FITRIYAH. Rumus Bilangan Reproduksi Dasar Covid-19 dengan Adanya Vaksinasi Dosis 1 dan 2. Limits: Journal of Mathematics and Its Applications, [S. l.], v. 19, n. 1, p. 87–100, 2022. Disponível em: https://journal.its.ac.id/index.php/limits/article/view/5373. Acesso em: 6 dec. 2025.