Maigualema, M.A., and A.G. Gernat. 2003. “The Effect of Feeding Elevated Levels of Tilapia (Oreochromus Niloticus) By-Product Meal on Broiler Performance and Carcass Characteristics”. International Journal of Poultry Science 2 (3): 195–199. https://doi.org/10.3923/ijps.2003.195.199.