Srisawat, Chawin, and Kornwipa Poonpon. 2023. “Common Grammatical Errors in Academic Writing: How are They Treated by NNE Raters?”. Journal of Multidisciplinary in Humanities and Social Sciences 6 (2):540-57. https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/262584.