PERMANA, Alfarkhan Adji; RAHMAN, Farhan Syarifur; ERMASAROH, Nur’Aini. Hubungan Tindakan Bullying dengan Tingkat Kepercayaan Diri Seseorang. Journal of Practice Learning and Educational Development , [S. l.], v. 1, n. 1, p. 7–12, 2021. DOI: 10.58737/jpled.v1i1.2. Disponível em: https://www.digitalpress.gaes-edu.com/index.php/jpled/article/view/2. Acesso em: 3 may. 2026.