Laotrakunchai , Kirattaya, Yupharat Laotrakunchai, and Kitiya Chuwicharoenkit. “The Backwash Effect of the New HSK Level 4 Test on High School Students in Thailand”. Journal of Sinology 15, no. 1 (January 25, 2021). Accessed November 21, 2024. https://journal.mfu.ac.th/index.php/jsino/article/view/13.