DAMANIK, Bernieke Anggita Ristia. Requesting and Refusing Politeness Expression Teacher’s Instruction in Teaching Learning Process. SALTeL Journal (Southeast Asia Language Teaching and Learning), [S. l.], v. 3, n. 2, p. 32–43, 2020. DOI: 10.35307/saltel.v3i2.54. Disponível em: http://journal.altsacentre.org/index.php/SALTeL/article/view/54. Acesso em: 6 oct. 2026.