Seephueak, Wuttichai, Wanwisa Ngampongsai, and Chaiyawan Wattanachant. 2019. “Use of Oil Palm Frond and Palm Oil Sludge in Total Mixed Ration on Productive Performance of Finishing Goat”. Princess of Naradhiwas University Journal 11 (3):190-201. https://li01.tci-thaijo.org/index.php/pnujr/article/view/186150.