Noyjarean, Nopparat, Siriwan Nantachantoon, and Sureerat Bumrungsuk. 2018. “‘Being a teacher means running a business’ Conceptual metaphor as reflected by the language user in teachers’ academic textbooks”. Kasetsart Journal of Social Sciences 39 (3):850-59. https://so04.tci-thaijo.org/index.php/kjss/article/view/242612.