Prayoga, P.A. and Manurung, P. 2025. The Effectiveness of Group Counseling with Constructive Criticism Techniques to Reduce Students’ Social Bullying Behavior in Man 1 Deli Serdang. Journal of General Education and Humanities. 4, 4 (Nov. 2025), 1985–1994. DOI:https://doi.org/10.58421/gehu.v4i4.777.