DUNCAN, Marvin E.; BASS, Ronald K. Planning Instructional Change. Canadian Journal of Learning and Technology, [S. l.], v. 11, n. 1, 1981. DOI: 10.21432/cjlt27600. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/27600. Acesso em: 23 apr. 2026.