Dumkum, Kwansiri, and Rungsun InJun. “ Mahasarakham University”. Journal of Management Science Nakhon Pathom Rajabhat University 7, no. 2 (December 1, 2020): 50–66. accessed August 28, 2026. https://so03.tci-thaijo.org/index.php/JMSNPRU/article/view/249143.