Sornkattrin, Sawanee. 2022. “THE DEVELOPMENT OF TEACHERS BY PROJECT BASED LEARNING MANAGEMENT IN KOH PHANGAN MUNICIPAL SCHOOL SURAT THANI PROVINCE”. Journal of MCU Nakhondhat 9 (6). Nakhon Si Thammarat, Thailand:89-102. https://so03.tci-thaijo.org/index.php/JMND/article/view/262051.