SUMBAYAK, Lasni; NASUTION, Jamaluddin. 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://139.162.50.187/index.php/BIP/article/view/2613. Acesso em: 14 sep. 2026.