Panggabean, Metty, Erika Sinambela, and Lastri W. Manurung. “Speech Acts and Politeness Strategies on Student’s Conversation at SMPN 3 Binjai”. Journey: Journal of English Language and Pedagogy 6, no. 3 (November 28, 2023): 755-767. Accessed July 3, 2024. http://ejurnal.budiutomomalang.ac.id/index.php/journey/article/view/3741.