FAUJIAN, A.; WIDIASTUTI, A. .; SUDRAJAT, S. The Phenomenon of Bullying in Schools as a Basis for Developing Social Studies Learning Materials. QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama, [S. l.], v. 17, n. 1, p. 475–492, 2025. DOI: 10.37680/qalamuna.v17i1.6597. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/qalamuna/article/view/6597. Acesso em: 18 jul. 2025.