Sornkattrin, S. “THE DEVELOPMENT OF TEACHERS BY PROJECT BASED LEARNING MANAGEMENT IN KOH PHANGAN MUNICIPAL SCHOOL SURAT THANI PROVINCE”. Journal of MCU Nakhondhat, vol. 9, no. 6, June 2022, pp. 89-102, https://so03.tci-thaijo.org/index.php/JMND/article/view/262051.