Parinyavottichai, Chanyaporn. “Testing Achievement and Proficiency in Chinese Language Learners: The Elementary Chinese Learners and Job Applicants for Chinese Company”. Journal of Sinology (วารสารจีนวิทยา) 3 (August 1, 2009): 150–191. accessed December 3, 2025. https://so16.tci-thaijo.org/index.php/JSINO/article/view/2756.