Renata, Dini, and Machfudloh -. “Brides’ Knowledge About Contraception In Preparation For Pregnancy”. Jurnal Maternitas Kebidanan 10, no. 1 (April 30, 2025): 164–181. Accessed April 3, 2026. http://139.162.50.187/index.php/jumkep/article/view/6771.