MADILA, Lina. Pelatihan berperilaku asertif untuk meningkatkan keterampilan prevensi tindakan bullying di SMP Islam Alma’mur Jakarta pusat. Journal of Psychological Perspective, Lampung, v. 1, n. 2, p. 41–48, 2019. DOI: 10.47679/jopp.12482019. Disponível em: https://ukinstitute.org/journals/jopp/article/view/joppv1i206. Acesso em: 26 jun. 2026.