Laosrirattanachai, P. ., and S. . Ruangjaroon. “Corpus-Based Creation of Tourism, Hotel, and Airline Business Word Lists”. LEARN Journal: Language Education and Acquisition Research Network, vol. 14, no. 1, Jan. 2021, pp. 50-86, https://so04.tci-thaijo.org/index.php/LEARN/article/view/248677.