Muliani, Mertiza Fitri, Ngusman Abdul Manaf, and Tressyalina Tressyalina. “Language Politeness in Indonesian Language Learning in Elementary Schools”. Perspektif Pendidikan dan Keguruan 17, no. 1 (July 7, 2026): 90–103. Accessed July 11, 2026. https://journal.uir.ac.id/index.php/Perspektif/article/view/25942.