Maharesi, Retno, and Widyatmini Widyatmini. “- Estimation of the Effective Reproduction Number (rt) for the COVID-19 Pandemic in Jakarta: A Mathematical Modelling Approach”. Jurnal THEOREMS (The Original Research of Mathematics) 10, no. 1 (July 18, 2025): 1–12. Accessed August 2, 2025. https://www.ejournal.unma.ac.id/index.php/th/article/view/13746.