Xu, L., and A. Wannaruk. “Developing an Interlanguage Pragmatic Competence Test on Routines in a Chinese EFL Context”. LEARN Journal: Language Education and Acquisition Research Network, vol. 9, no. 2, Dec. 2016, pp. 49-67, https://so04.tci-thaijo.org/index.php/LEARN/article/view/102647.