GURELL, Seth; KUO, Yu-Chun; WALKER, Andrew. The pedagogical enhancement of open education: An examination of problem-based learning. The International Review of Research in Open and Distributed Learning, [S. l.], v. 11, n. 3, p. 95–105, 2010. DOI: 10.19173/irrodl.v11i3.886. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/886. Acesso em: 23 apr. 2024.