Rann, Vannak, Somchai Anusontpornperm, Suphicha Thanachit, and Tanee Sreewongchai. 2016. “Response of KDML105 and RD41 Rice Varieties Grown on a Typic Natrustalf to Granulated Pig Manure and Chemical Fertilizers”. Agriculture and Natural Resources 50 (2). Bangkok, Thailand:104-13. https://li01.tci-thaijo.org/index.php/anres/article/view/243892.