MARKELL, H. D. 1983: World Communication Year. Canadian Journal of Learning and Technology, [S. l.], v. 12, n. 2, 1983. DOI: 10.21432/cjlt27662. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/27662. Acesso em: 14 apr. 2026.