Thepchalerm, Teeris, Phutawan Ho, and Natnisha Kongtaveesawas. “Factors Affecting Airline’s Passenger Choice During COVID-19 Pandemic”. Journal of Humanities and Social Sciences Thonburi University 15, no. 3 (August 10, 2021): 13–24. Accessed May 3, 2024. https://so03.tci-thaijo.org/index.php/trujournal/article/view/250349.