MARCINIAK, Renata; CÁLIZ RIVERA, Cristina. A System of Indicators for the Quality Assessment of Didactic Materials in Online Education. The International Review of Research in Open and Distributed Learning, [S. l.], v. 22, n. 1, p. 180–198, 2021. DOI: 10.19173/irrodl.v22i1.5069. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/5069. Acesso em: 29 mar. 2024.