Nobakht, A., M. Shivazad, M. Chamany, and A.R. Safameher. 2006. “The Effects of Dietary Electrolyte Balance on Performance of Laying Hens Exposed to Heat - Stress Environment in Late Laying Period”. International Journal of Poultry Science 5 (10): 955–958. https://doi.org/10.3923/ijps.2006.955.958.