B. Zhang, “Egg Shell Quality and Bone Status as Affected by Environmental Temperature, Ca and Non-Phytate P Intake and in vitro Limestone Solubility in Single-Comb White Leghorn Hens”, Int. J. Poult. Sci., vol. 19, no. 5, pp. 219–231, Apr. 2020, doi: 10.3923/ijps.2020.219.231.