Prachumchai, S., and K. Pinmuang. “Adaptation of Sentence Structures in News Texts: A Corpus-Based Analysis of Complexity Levels Using Halliday’s Functional Grammar”. NKRAFA Journal of Humanities and Social Sciences, vol. 13, Dec. 2025, pp. 109-1, https://so04.tci-thaijo.org/index.php/KANNICHA/article/view/279296.