Hikmawati, Isna, and Ragil Setiyabudi. “Epidemiology of COVID-19 in Indonesia: Common Source and Propagated Source As a Cause for Outbreaks”. The Journal of Infection in Developing Countries 15, no. 05 (May 31, 2021): 646–652. Accessed April 25, 2024. https://jidc.org/index.php/journal/article/view/34106887.