Imanuel Simbolon, Louisa Istarini, Desiree Montesinos, Habiburrahman Said, and Yi-Fen Huang. “The Impact of the COVID-19 Pandemic on Maternal Mortality Rates in Indonesia: A Retrospective Cohort Study”. Sriwijaya Journal of Obstetrics and Gynecology 1, no. 1 (April 25, 2023): 1-13. Accessed February 4, 2025. https://phlox.or.id/index.php/sjog/article/view/21.