Ghaffari, M.; Shivazad, M.; Zaghari, M.; Taherkhani, R. Effects of Different Levels of Metabolizable Energy and Formulation of Diet Based on Digestible and Total Amino Acid Requirements on Performance of Male Broiler. Int. J. Poult. Sci. 2007, 6 (4), 276–279. https://doi.org/10.3923/ijps.2007.276.279.