SHACHAR, Mickey. Meta-Analysis: The preferred method of choice for the assessment of distance learning quality factors. The International Review of Research in Open and Distributed Learning, [S. l.], v. 9, n. 3, 2008. DOI: 10.19173/irrodl.v9i3.493. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/9.3.8. Acesso em: 8 oct. 2024.