Alipour, Mohammad, and Soroor Tajfar. “Investigating (Im)politeness in Online Forums Between English Speakers and English As a Foreign Language Learners”. Global Journal of Foreign Language Teaching 9, no. 3 (January 21, 2021): 137–156. Accessed December 23, 2024. https://un-pub.eu/ojs/index.php/GJFLT/article/view/4205.