Warlenda, S., A. Wahyudi, and Z. Siregar. “Determinants of Masturbation of Adolescent at Tapung Public High School 3 in the District of Kampar, 2017”. Jurnal Kesehatan Komunitas, Vol. 4, no. 2, Dec. 2018, pp. 46-51, doi:10.25311/keskom.Vol4.Iss2.257.