S, Sarma Dewi Kemala. Politeness Strategy of English Teacher SMPN 28 Johor Medan in Classroom. Attractive : Innovative Education Journal, [S. l.], v. 1, n. 3, p. 1–7, 2019. DOI: 10.51278/aj.v1i3.385. Disponível em: https://attractivejournal.com/index.php/aj/article/view/385. Acesso em: 25 aug. 2026.