KALMAN, Yoram M. Open Educational Resources: Policy, Costs, and Transformation. The International Review of Research in Open and Distributed Learning, [S. l.], v. 18, n. 3, 2017. DOI: 10.19173/irrodl.v18i3.3108. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/3108. Acesso em: 27 nov. 2024.