Firmansyah, Hanien, and Ayik Mirayanti Mandagi. “Relationship Between Knowledge and Premaretal Sex Attitudes in Adolescents in Kalipuro 3 Public Middle School”. STRADA : Jurnal Ilmiah Kesehatan 9, no. 1 (May 3, 2020): 35–43. Accessed September 15, 2025. https://sjik.org/index.php/sjik/article/view/267.