“The Contextual Effect of School on the Premarital Sex among Adolescents in Bantul, Yogyakarta”, J HEALTH PROMOT BEHAV, vol. 3, no. 4, pp. 240–247, Sep. 2018, Accessed: Oct. 18, 2025. [Online]. Available: https://www.thejhpb.com/index.php/thejhpb/article/view/150