ANDERSON, Terry. Design-based Research and its Application to a Call Centre Innovation in Distance Education. Canadian Journal of Learning and Technology, [S. l.], v. 31, n. 2, 2005. DOI: 10.21432/T26K60. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/26499. Acesso em: 1 apr. 2026.