DELLA RENCY MELIA INDAH; KASMANTONI; BUSTOMI. 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, 2021. DOI: 10.52690/jadila.v2i4.227. Disponível em: https://ejournal.karinosseff.org/index.php/jadila/article/view/227. Acesso em: 7 dec. 2021.