Nursyahra, Rizki, M. and Rizki 2020. Efektivitas Bokashi Daun Kelapa Sawit (Elaeis guineensis Jacq) Terhadap Produksi Kacang Kedelai (Glycine max (L.) Merr.) di Pasaman Barat. Biotropic : The Journal of Tropical Biology. 4, 1 (Feb. 2020), 8–14. DOI:https://doi.org/10.29080/biotropic.2020.4.1.8-14.