Theory of Planned Behavior on the Determinants of Participation in the Long-Term Contraceptive Method Among Women of Reproductive Age, in Nganjuk, East Java. J HEALTH PROMOT BEHAV. 2024;1(3):171-179. Accessed October 18, 2025. https://www.thejhpb.com/index.php/thejhpb/article/view/24