POWELL, Alan; RICH, Tom. AV Standards Report. Canadian Journal of Learning and Technology, [S. l.], v. 12, n. 3, 1983. DOI: 10.21432/cjlt27679. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/27679. Acesso em: 5 apr. 2026.