MAHMOUD MAHFOUZ, Safi. A Study of Jordanian University Students’ Perceptions of Using Email Exchanges with Native English Keypals for Improving Their Writing Competency. CALICO Journal, [S. l.], v. 27, n. 2, p. 393–408, 2013. DOI: 10.11139/cj.27.2.393-408. Disponível em: https://journal.equinoxpub.com/Calico/article/view/17204.. Acesso em: 16 jul. 2024.