Kaewtungkuen, Apiwat, and Prayote Songklin. “The Problems on Implementation of Fuel Trade Act, B.E. 2543, in Maha Sarakham Province”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 10, no. 2 (September 11, 2020): 271–283. Accessed December 2, 2022. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/242561.