Oke, U.K., U. Herbert, E.N. Nwachukwu, and N.M. Anigbogu. 2009. “Rumen Metabolities of Bovine Fed Cassava Peels in a Humid Tropical Environment”. Pakistan Journal of Nutrition 8 (2): 172–175. https://doi.org/10.3923/pjn.2009.172.175.