Roza, EIly, M.S. Suardi, M.S. Suardi, Ellyza Nurdin, and Salam N. Aritonang. 2013. “Digestibility Test of Cassava Leaves in Feed Supplement on Buffaloes by In-Vitro”. Pakistan Journal of Nutrition 12 (5): 505–509. https://doi.org/10.3923/pjn.2013.505.509.