Suwan, T. “Factors affecting Thai users’ confidence in measures to prevent COVID-19 disease in low-cost airlines. After the COVID-19 situation Case study of international airports in the northern region”. Business Administration and Economics Review, vol. 21, no. 1, June 2025, pp. 239-51, https://so15.tci-thaijo.org/index.php/bae/article/view/1447.