Wahyuni, R., Marliani, M., Lusiatun, L., Japar, A. ., Pangaribuan, I. K. ., Manurung, H. R. ., Adethia, K., Fathahilah, B. D. ., Sinaga, I. P., & Dalimunthe, J. R. (2026). Effectiveness of a Positive Deviance–Based Educational Intervention on Children’s Self-Esteem for Bullying Prevention: A Quasi-Experimental Study. Journal of Applied Nursing and Health, 8(1), 827–836. https://doi.org/10.55018/janh.v8i1.520