Zega, Defacto Firmawati, Indah Yani Br. Tambunan, and Lydia Br Barus. “Determinan Kunjungan Pemeriksaan Kehamilan Pada Ibu Hamil”. Jurnal Kesmas Prima Indonesia 7, no. 1 (January 23, 2023): 1–6. Accessed November 4, 2025. https://jurnal.unprimdn.ac.id/index.php/JKPI/article/view/3352.