Ariyanti L, Atur Semartini. Knowledge and Premarital Sexual Behavior among Adolescents at Vocational High Schools in Surakarta: A Cross-Sectional Study. KESANS [Internet]. 2026 Feb. 16 [cited 2026 Feb. 17];5(5):882-9. Available from: https://www.kesans.rifainstitute.com/index.php/kesans/article/view/567