Nabhadalung, N. “Arbuscular mycorrhizal fungi related to soil phosphorous, organic matter and pH in cassava field”. International Journal of Agricultural Technology 16, no. 5 (September 15, 2020): 1145–1152. accessed October 27, 2025. https://li04.tci-thaijo.org/index.php/IJAT/article/view/7308.