Purwanti, I. A., A. Lutfitasari, and Z. L. Hnin. “Antenatal Care Coverage in Tropical and Non-Tropical Countries: The Role of Economic and Health System Indicators”. Jurnal of Public Health and Tropical Diseases, vol. 1, no. 1, Dec. 2025, pp. 36-45, https://jurnalnew.unimus.ac.id/index.php/JPHTD/article/view/1041.