Bashar, MK, MAR Howlider, and SM Bulbul. “Effect of Exogenous Phytase on Egg Production and Egg Quality of Spent Hen”. Bangladesh Journal of Livestock Research 20, no. 1-2 (May 10, 2020): 68–76. Accessed May 4, 2024. https://www.banglajol.info/index.php/BJLR/article/view/47020.