Kolin, P., M. K. P. Keraf, R. P. Wijaya, and I. Kiling. “Sexual Knowledge and Sexual Attitudes towards Premarital Sexual Intentions of High School Adolescents”. Journal of Health and Behavioral Science, Vol. 3, no. 1, Mar. 2021, pp. 69-82, doi:10.35508/jhbs.v3i1.3480.