Metasari Waruwu, Lucia Utami, and Fitriana Suprapti, “Perilaku Seksual Remaja di SMK Negeri Nias: Adolescent Sexual Behavior at SMK Negeri, Nias”, Media Publ. Promosi Kesehat. Indones, vol. 6, no. 3, pp. 451-456, Mar. 2023.