Purnama Sari, Indah, et al. “Factors Affecting Premarital Sexual Behavior in Adolescents in South Sumatra”. Jurnal Ilmu Kesehatan Masyarakat, vol. 13, no. 1, Apr. 2022, pp. 50-61, doi:10.26553/jikm.2022.13.1.50-61.