Trinant, Kantapat, and Wachiraporn Kijpoonphol. 2021. “Lexical Collocations in a Sample Corpus of Tourism Research Articles (SCTRA)”. NKRAFA Journal of Humanities and Social Sciences 9 (November):94-108. https://so04.tci-thaijo.org/index.php/KANNICHA/article/view/249524.