MOORE, George A.B. How Costly are Computer-Based Instructional Systems? A Look at Two Approaches. Canadian Journal of Learning and Technology, [S. l.], v. 16, n. 1, 2009. DOI: 10.21432/T2J31C. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/26868. Acesso em: 2 apr. 2026.