Suwondo, S., D. Darmadi, and A. Hendrizal. “Pengembangan Sistem Komposting Melalui Bank Sampah Di Desa Petani, Kecamatan Bathin Solapan”. Unri Conference Series: Community Engagement, Vol. 2, Dec. 2020, pp. 445-53, doi:10.31258/unricsce.2.445-453.