คำตา กฤติยา, Kiat Bunyapoo, and Wirote Mueanthep. “Factors Affecting youth’s Motivation in Chinese Language Skill of Youth”. Nakhon Lampang Buddhist College’s Journal 10, no. 3 (December 31, 2021): 164–175. accessed October 11, 2026. https://so04.tci-thaijo.org/index.php/NBJ/article/view/254733.