1.
Ryesmi DS, Basya D, Wardhani ID. The Importance of Politeness Utterances Used by Teachers and Students in Classroom Interaction. Linguapedia [Internet]. 2022May25 [cited 2024Jul.22];6(1):28-37. Available from: https://ejurnal.uij.ac.id/index.php/LIN/article/view/2901