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