Tainika, Brian, and Ahmet Şekeroğlu. “Effect of Production Systems for Laying Hens on Hen Welfare”. Turkish Journal of Agriculture - Food Science and Technology 8, no. 1 (January 31, 2020): 239–245. Accessed April 29, 2024. https://www.agrifoodscience.com/index.php/TURJAF/article/view/3251.