Usman, Mutmainnah, et al. “Determinant Factors of Modern Contraceptive Prevalence Among Fertile-Age Couples (Fac)”. International Journal of Informatics and Data Science Research, vol. 2, no. 1, Jan. 2025, pp. 1-6, https://scientificbulletin.com/index.php/IJIDSR/article/view/557.