Simangunsong, N., Sari, N., Ritonga, H. D. and Zona, M. (2023) “Teachers’ Role in Preventing and Managing Bullying at SD Negeri 200117/26 Padangsidimpuan”, Journal of Educational Research and Practice. Tulungagung, Indonesia, 1(1), pp. 111–121. doi: 10.70376/jerp.v1i1.107.