Handoko, Adista Desintasari, et al. “The Effectiveness of Sociodrama Techniques in Reducing Verbal Bullying Behavior Among Eighth-Grade Students at SMP Negeri 1 Glenmore”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, vol. 11, no. 1, Mar. 2024, pp. 59-66, https://doi.org/10.29407/nor.v11i1.22398.