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2026. The Effect of Group Counseling Using the Behavior Contract Technique on Verbal Bullying Among Eighth-Grade Students at SMP Negeri 1 Percut Sei Tuan. Cakrawala Sekolah: Journal of Multidisciplinary School Education. 1, 3 September (Oct. 2026), 1–14. DOI:https://doi.org/10.66851/b9ka0d48.