Khruamingmongkhon, N., Phosing, P., & Yupas, Y. (2021). Service quality of provincial land transport office of Roi Et. Journal of Research and Development Institute Rajabhat Maha Sarakham University, 8(1), 181–192. Retrieved from https://so03.tci-thaijo.org/index.php/rdirmu/article/view/240463