ไชยศร วิไลวรรณ. 2017. “Isolation of Phosphate Solubilizing Bacteria from Soil and Optimization for Groeth and Phosphate Solubilization”. Wichcha Journal Nakhon Si Thammarat Rajabhat University 36 (2). ์Nakhon Si Thammarat, Thailand:11-24. https://li01.tci-thaijo.org/index.php/wichcha/article/view/106027.