ZAWACKI-RICHTER, Olaf. Research Areas in Distance Education: A Delphi Study. The International Review of Research in Open and Distributed Learning, [S. l.], v. 10, n. 3, 2009. DOI: 10.19173/irrodl.v10i3.674. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/674. Acesso em: 24 apr. 2024.