Türker, İsmail, S. Alkan, and S. Akçay. “Comparison of Domestic and Foreign Commercial Brown Layer Hens in Terms of Yield Characteristics in Free-Range Raising System”. Turkish Journal of Agriculture - Food Science and Technology, vol. 5, no. 7, July 2017, pp. 814-21, doi:10.24925/turjaf.v5i7.814-821.1216.