ทิพย์ศรี ณภัทร, มหาวงศ์ ปวีณ์สุดา, and บรรดิ หนึ่งฤทัย บรรดิ. “THE EFFECTS OF SERVICE QUALITY OF TRAVEL BUSINESS ON THE IMPRESSION OF EUROPEAN TOURISTS IN CHIANG RAI PROVINCE”. Sripatum Review of Humanities and Social Sciences 13, no. 2 (March 23, 2018): 17–27. accessed September 11, 2026. https://so05.tci-thaijo.org/index.php/spurhs/article/view/116560.