ALMENDRO, D. .; SILVEIRA, I. F. . Quality Assurance for Open Educational Resources: The OERTrust Framework. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 17, n. 3, p. 1–14, 2018. Disponível em: https://ijlter.myres.net/index.php/ijlter/article/view/687. Acesso em: 26 apr. 2026.