SUMBAYAK, L.; NASUTION, J. AN ANALYSIS OF TEACHERS’ LANGUAGE POLITENESS DURING TEACHING ENGLISH. Jurnal Bahasa Indonesia Prima (BIP), [S. l.], v. 4, n. 1, p. 215-225, 2022. DOI: 10.34012/jbip.v4i1.2613. Disponível em: http://jurnal.unprimdn.ac.id/index.php/BIP/article/view/2613. Acesso em: 20 may. 2024.