Chairerk Suwannarat, Jongruk Chanchareonsook, and Sorasith Vacharotayan. “ Yield and Phosphorus Uptake in Rice Plant Grown in a Submerged Acid Sulfate Soil”. Agriculture and Natural Resources, vol. 22, no. 1, Mar. 1988, pp. 73-76, https://li01.tci-thaijo.org/index.php/anres/article/view/242335.