Suwannasom, T. “A Study on Intercultural Strategies in English As a Lingua Franca Communication of Naresuan University Graduate Students”. Journal of Liberal Arts Prince of Songkla University, Vol. 11, no. 1, June 2019, pp. 307-3, https://so03.tci-thaijo.org/index.php/journal-la/article/view/199940.