Ikhimioya, I., O.A. Isah, U.J. Ikhatua, and M.A. Bamikole. 2005. “Rumen Degradability of Dry Matter and Crude Protein in Tree Leaves and Crop Residues of Humid Nigeria”. Pakistan Journal of Nutrition 4 (5): 313-20. https://doi.org/10.3923/pjn.2005.313.320.