Olubamiwa, O., S.M. Ikyo, B.A. Adebowale, A.B. Omojola, and R.A. Hamzat. 2006. “Effect of Boiling Time on the Utilization of Cocoa Bean Shell in Laying Hen Feeds”. International Journal of Poultry Science 5 (12): 1137–1139. https://doi.org/10.3923/ijps.2006.1137.1139.