Thu, N. T. A., L. T. Hung, L. T. T. Lan, N. H. Phong, J. B. Liang, L. T. Phuong, and N. T. Ngu. “Effects of Lysine Supplemented on Growth, Apparent Nutrient Digestibility, and Slaughter Yield of Noi Broilers from 56–84 Days of Age”. Journal of Advanced Veterinary Research, vol. 11, no. 3, July 2021, pp. 141-6,