Waliyanti, Ema, and Farhah Kamilah. “Bullying of Adolescent in Yogyakarta: Responses and Impacts”. JKKI : Jurnal Kedokteran dan Kesehatan Indonesia 10, no. 3 (December 30, 2019): 265–270. Accessed November 23, 2024. https://journal.uii.ac.id/JKKI/article/view/13586.