Rahayu Prasetiyo; Novita Nur Synthiawati; Arsika Yunarta. Bullying Prevention Education for Students of Kepanjen 2 State Elementary School, Jombang Regency. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat, v. 4, n. 2, p. 1233-1238, 11 Jul. 2023.