Yaophakdee, Nisarat, Yuwares Ruangpanit, and Seksom Attamangkune. 2018. “Effects of Palm Kernel Meal Level on Live Performance and Gut Morphology of Broilers”. Agriculture and Natural Resources 52 (1). Bangkok, Thailand:75-78. https://li01.tci-thaijo.org/index.php/anres/article/view/234966.