Y, Siti Nor, Wong Fui-Ping, Rozumah B, Mariani M, Rumaya J, and Mansor A.T. 2017. “Factors Related to Sexual Knowledge Among Malaysian Adolescents”. Jurnal Kemanusiaan 8 (2). https://jurnalkemanusiaan.utm.my/index.php/kemanusiaan/article/view/76.