Pertiwi GT, Prasetya H, Murti B. The Contextual Effect of School on the Premarital Sex among Adolescents in Bantul, Yogyakarta. J HEALTH PROMOT BEHAV [Internet]. 2018 Sep. 1 [cited 2024 May 3];3(4):240-7. Available from: https://www.thejhpb.com/index.php/thejhpb/article/view/150