Humaira, Megan Asri, and Zahra Fitrah Rajagukguk. “Lecturer Response to Violations of Politeness in Student Speech”. Indonesian Journal of Social Research (IJSR) 2, no. 3 (December 17, 2020): 183-188. Accessed May 5, 2024. https://iojs.unida.ac.id/index.php/IJSR/article/view/68.