KAUFMAN, David; USUKAWA, Saeko; SKETCHES, Denise. Visual Design in Distance Education. Canadian Journal of Learning and Technology, [S. l.], v. 12, n. 2, 1983. DOI: 10.21432/cjlt27660. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/27660. Acesso em: 2 apr. 2026.