PETEK, METIN. “Effects of Housing Locations on Feather Damages of Laying Hens in a Free-Range Housing System”. Journal of the Hellenic Veterinary Medical Society 71, no. 4 (January 25, 2021): 2525–2530. Accessed April 16, 2024. https://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/25931.