A. Abdel-Maksoud, F. Yan, S. Cerrate, C. Coto, Z. Wang, and P. Waldroup, “Effect of Dietary Crude Protein, Lysine Level and Amino Acid Balance on Performance of Broilers 0 to 18 Days of Age”, Int. J. Poult. Sci., vol. 9, no. 1, pp. 21–27, Dec. 2009, doi: 10.3923/ijps.2010.21.27.