MUANGKEOW, Niwat. “Effect of Feeding Soybean and Palm Blended Oil on Laying Performance and Egg Quality”. Walailak Journal of Science and Technology (WJST) 8, no. 1 (November 6, 2011): 51–61. Accessed May 5, 2024. https://wjst.wu.ac.th/index.php/wjst/article/view/11.