HOTRUM, Michael. Breaking Down the LMS Walls. The International Review of Research in Open and Distributed Learning, [S. l.], v. 6, n. 1, 2005. DOI: 10.19173/irrodl.v6i1.212. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/212. Acesso em: 20 apr. 2024.