“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, vol. 1, no. 3 September, Oct. 2026, pp. 1-14, https://doi.org/10.66851/b9ka0d48.