YUHAO, J., and G. MAN. “AN EFFECTIVE GRAMMAR TEACHING MODEL BASED ON THE NEEDS OF ETHNIC CHINESE LANGUAGE LEARNERS IN AMERICAN UNIVERSITY”. Chinese Language and Culture Journal, vol. 5, no. 1, June 2018, pp. 115-22, https://so02.tci-thaijo.org/index.php/clcjn/article/view/193443.