Tarigan, P.L. and Sasongko, P.E. 2025. Assistance to farmer groups on the slopes of Arjuno in implementing water and soil conservation with the Wanafarma System. Amaliah: Jurnal Pengabdian Kepada Masyarakat. 8, 2 (Jan. 2025), 580-585. DOI:https://doi.org/10.32696/ajpkm.v8i2.3623.