Jongruk Chanchareonsook, and Hidenori Wada. “Effects of Filter Cake on Phophate Status in a Submerged Acid Sulfate Soil (Rangsit Soil)”. Agriculture and Natural Resources 21, no. 3 (September 30, 1987): 314–317. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/242618.