-, ANDRIA. “Factors - Factors Affecting Infertile Couple Age (EFA) Not Using Contraceptives In Hamlet II Sub Desa Tanjung Anom Pancur Stone Deli Serdang Regency”. Jurnal Martenity and Neonatal 1, no. 2 (October 27, 2014): 93–99. Accessed May 5, 2024. https://e-journal.upp.ac.id/index.php/akbd/article/view/149.