LUNDE, Ken R. Using Electronic Mail as a Medium for Foreign Language Study and Instruction. CALICO Journal, [S. l.], v. 7, n. 3, p. 68–78, 2013. DOI: 10.1558/cj.v7i3.68-78. Disponível em: https://journal.equinoxpub.com/Calico/article/view/2026.. Acesso em: 16 may. 2024.