Pakamas Chairatana ผ. ช., & Chawalee Na Thalang ช. ณ. ถ. (2018). Potential of Tourism Resources in Udon Thani Province. Dusit Thani College Journal, 11(2), 124–142. Retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/119957