Emiola, I.A., et al. “Growth Response, Nutrient Digestibility and Organ Characteristics of Broiler Chicken Fed Graded Levels of Kola Pod Husk Meal (KPHM) in a Derived Savannah Zone of Nigeria”. International Journal of Poultry Science, vol. 5, no. 9, Aug. 2006, pp. 885–889, https://doi.org/10.3923/ijps.2006.885.889.