HILTON III, John. Empirical Outcomes of Openness. The International Review of Research in Open and Distributed Learning, [S. l.], v. 18, n. 4, 2017. DOI: 10.19173/irrodl.v18i4.3378. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/3378. Acesso em: 5 may. 2024.