Maheningsih, Desi Dwi, and Sutrisno Sutrisno. “Principal’s Policy for Minimizing Bullying at Muhammadiyah 2 Ngawi Junior High School”. MANAZHIM 5, no. 2 (August 1, 2023): 1119-1130. Accessed July 29, 2026. https://ejournal.stitpn.ac.id/index.php/manazhim/article/view/3551.