Zhang, H., and S. Chinokul. “Motivational Profiles, Foreign Language Anxiety, and Willingness to Communicate among Thai Learners of Chinese: A Person-Centered Approach”. Educational Management and Innovation Journal, vol. 9, no. 3, Oct. 2026, pp. 104-18, https://so01.tci-thaijo.org/index.php/emi/article/view/289646.