PRAYOGA, P. A.; MANURUNG, P. 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, Bandung, Indonesia, v. 4, n. 4, p. 1985–1994, 2025. DOI: 10.58421/gehu.v4i4.777. Disponível em: https://journal-gehu.com/index.php/gehu/article/view/777. Acesso em: 21 may. 2026.