ชาญณรงค์อ. (2018). GUIDELINES FOR DEVELOPMENT OF EFFECTIVE PUBLIC SERVICES OF INSTITUTE FOR SKILL DEVELOPMENT 11, SURATTHANI. Journal of Yanasangvorn Research Institute Mahamakut Buddhist University, 9(2), 92-106. Retrieved from https://so04.tci-thaijo.org/index.php/yri/article/view/173084