HILTON III, John Levi; ROBINSON, T. Jared; WILEY, David; ACKERMAN, J. Dale. Cost-savings achieved in two semesters through the adoption of open educational resources. The International Review of Research in Open and Distributed Learning, [S. l.], v. 15, n. 2, 2014. DOI: 10.19173/irrodl.v15i2.1700. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1700. Acesso em: 30 may. 2024.