ARDIANTO, Septian. Politeness Strategies Employed by Lecturers in Undergraduate EFL Classroom. Linguistic, English Education and Art (LEEA) Journal, [S. l.], v. 6, n. 2, p. 246–262, 2023. DOI: 10.31539/leea.v6i2.6440. Disponível em: https://journal.ipm2kpe.or.id/index.php/LEEA/article/view/6440. Acesso em: 5 apr. 2025.