CAREY, Tom; SWALLOW, Jonathan; OLDFIELD, William. Educational Rationale Metadata for Learning Objects. Canadian Journal of Learning and Technology, [S. l.], v. 28, n. 3, 2002. DOI: 10.21432/T2PC81. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/26565. Acesso em: 16 apr. 2026.