ANALISIS PERAN GURU DAN SISWA DALAM MENANGGULANGI KASUS BULLY DI YAYASAN PERGURUAN NAHDLATUL ULAMA MEDAN. Sindoro: Cendikia Pendidikan, [S. l.], v. 17, n. 12, p. 131–140, 2025. Disponível em: https://cibjournal.com/index.php/sindoro/article/view/250. Acesso em: 2 oct. 2026.