Gea, B. I. J., A. T. Harefa, H. O. N. Harefa, and B. P. Lase. “A Qualitative Study on the Implementation of Character Education in Preventing Bullying”. Jurnal Inovasi, Evaluasi Dan Pengembangan Pembelajaran (JIEPP), vol. 6, no. 1, Apr. 2026, pp. 58-68, doi:10.54371/jiepp.v6i1.1340.