WESTON, Cynthia B. Formative Evaluation of Instructional Materials: An Overview of Approaches. Canadian Journal of Learning and Technology, [S. l.], v. 15, n. 1, 2009. DOI: 10.21432/T22W3Q. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/26887. Acesso em: 1 apr. 2026.