Withep Watawuti วิเทพ วาทะวุฒิ, and Rugphong Vongsaroj รักษ์พงศ์ วงศาโรจน์. “Airline’s Roles for Supporting Sustainable Tourism Development”. Dusit Thani College Journal 12, no. 1 (April 4, 2018): 315–331. Accessed April 19, 2024. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/118324.