Lia Mahardika Harahap, Rasyidah U. Politeness Strategies in Academic English Presentations: A Systematic Literature Review of Teacher – Student Interaction. sscj-amik [Internet]. 2026 Jun. 30 [cited 2026 Jul. 4];4(4):97-112. Available from: https://journal.amikveteran.ac.id/index.php/sscj/article/view/6240