INDAH, D. R. M.; KASMANTONI, K.; BUSTOMI, B. Implementation of Language Politness Principles in Indonesian Language Learning Discussion Activities. Jadila: Journal of Development and Innovation in Language and Literature Education, [S. l.], v. 2, n. 4, p. 392-405, 2022. DOI: 10.52690/jadila.v2i4.227. Disponível em: https://www.jadila.yayasancec.or.id/index.php/jadila/article/view/227. Acesso em: 7 apr. 2026.