เชียรวัฒนสุข กฤษดา, and ไกรเลิศ ปิยวรรณ. “Factors Affecting Purchase Intention for Airline Services A Comparison Study Between Thai Smile Air and Thai AirAsia, Bangkok-Krabi Flights”. Business Review Journal 8, no. 1 (June 20, 2016): 11–26. Accessed April 19, 2024. https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/129749.