Tuleun, C.D., J.P. Patrick, and L.O. Tiamiyu. 2009. “Evaluation of Raw and Boiled Velvet Bean (Mucuna Utilis) As Feed Ingredient for Broiler Chickens”. Pakistan Journal of Nutrition 8 (5): 601–606. https://doi.org/10.3923/pjn.2009.601.606.