Djogo, H., and T. Rowena. “SOSIAL-DEMOGRAFI VARIABEL DAN PEMANFAATAN PRENATAL CARE PADA IBU DI KOTA DUMAGUETE FILIPPINA”. CHMK NURSING SCIENTIFIC JOURNAL, Vol. 4, no. 1, Jan. 2020, pp. 178-85, http://cyber-chmk.net/ojs/index.php/ners/article/view/757.