OTTO, Daniel. Adoption and Diffusion of Open Educational Resources (OER) in Education: A Meta-Analysis of 25 OER-Projects. The International Review of Research in Open and Distributed Learning, [S. l.], v. 20, n. 5, p. 122–140, 2019. DOI: 10.19173/irrodl.v20i5.4472. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/4472. Acesso em: 17 jul. 2024.