VANELLA, Ricardo; MILANESE, Gabriella. Book Review - The Costs of Open Learning: a handbook. Author: Thomas Hülsmann. The International Review of Research in Open and Distributed Learning, [S. l.], v. 4, n. 1, 2003. DOI: 10.19173/irrodl.v4i1.127. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/127. Acesso em: 24 nov. 2024.