ศรีธิ นงนุช, and ชัยรัตนาวรรณ ยงยุทธ. “Problems and Solutions for Occupational Group’ Self- Development Held in Mae Suai Municiapality, Mae Suai District, Chiangrai Province”. Journal of Management Science Chiangrai Rajabhat University 6, no. 1 (June 6, 2018): 136–156. Accessed September 21, 2024. https://so03.tci-thaijo.org/index.php/jmscrru/article/view/127373.