Suwondo, S., Darmadi, D. and Hendrizal, A. 2020. Pengembangan sistem komposting melalui Bank Sampah di Desa Petani, Kecamatan Bathin Solapan. Unri Conference Series: Community Engagement. 2, (Dec. 2020), 445-453. DOI:https://doi.org/10.31258/unricsce.2.445-453.