Pitaloka, A. D., P. Pawito, and H. Prasetya. “Application of Health Belief Model on Factors Influencing Long-Term Contraceptive Use”. Journal of Health Promotion and Behavior, vol. 4, no. 1, Jan. 2019, pp. 55-63, https://thejhpb.com/index.php/thejhpb/article/view/190.