Narongvanich, Thanakorn. “Perception of Service Reliability of Suvarnabhumi Airport in the Situation of Covid-19”. Suan Dusit Graduate School Academic Journal 19, no. 2 (August 3, 2023): 1–18. accessed May 25, 2025. https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/46.