Handoko, Adista Desintasari, Weni Kunia Rahmawati, and Ika Romika Mawaddati. 2024. “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 11 (1), 59-66. https://doi.org/10.29407/nor.v11i1.22398.