Sudhinont, Jomkwan, and Jomjai Sudhinont. “Relations of Syntactic Hierarchy Showing Functions of Proper Nouns in News Headlines about Cruise Ships During the COVID-19 Pandemic”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 10, no. 2 (November 9, 2020): 545–559. Accessed April 25, 2024. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/242235.