Mondet, Ekaphol, and Supachai Wanmanee. 2024. “Testing of PGPR–3 Biological Fertilizer on Yield and Quality of Cassava in Soil Series 35, Kamphaeng Phet Province”. VRU Agricultural and Food Journal 3 (2). Pathum Thani, Thailand.:129-38. https://li04.tci-thaijo.org/index.php/VRU_AFJ/article/view/7368.