Analisis penanganan bullying melalui program 5S ( senyum, sapa, salam sopan, santun) di SD Muhammadiyah Pakel Program Plus. Pendagogia: Jurnal Pendidikan Dasar, [S. l.], v. 4, n. 3, p. 149–158, 2024. Disponível em: https://jurnal.educ3.org/index.php/pendagogia/article/view/123. Acesso em: 3 apr. 2025.