Heng, B. C., F. Taib, and C. Y. M. Cheong. “Constructing Interpersonal Meaning via Teacher Talk in Chinese As a Second Language Classrooms: An Appraisal Analysis”. Journal of Modern Languages, vol. 27, Sept. 2017, pp. 24-47, https://ajap.um.edu.my/index.php/JML/article/view/6844.