Suparak Khumput และ Jamroen Thiengtham. (2020) Behavior, egg production, and bone strength of commercial laying hensat various cage densities and different cage types. <i>Songklanakarin Journal of Science and Technology</i>, <i>42</i>(5), 1113-1116.Suparak Khumput และ Jamroen Thiengtham. "Behavior, egg production, and bone strength of commercial laying hensat various cage densities and different cage types". Songklanakarin Journal of Science and Technology 42 (2020):1113-1116.Suparak Khumput และ Jamroen Thiengtham. Behavior, egg production, and bone strength of commercial laying hensat various cage densities and different cage types. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2020.