ATAMNA, Elkhiar. Requests Politeness Strategies in Algerian Learners of English Academic Emails. Journal of Human Sciences , Constantine, Algeria, v. 27, n. 2, p. 05–29, 2016. Disponível em: http://conferences.umc.edu.dz/h/article/view/2281. Acesso em: 13 feb. 2026.