NICHOLS, Mark. A Comparison of Two Online Learning Systems. Journal of Open, Flexible and Distance Learning, [S. l.], v. 20, n. 1, p. 19–32, 2016. DOI: 10.61468/jofdl.v20i1.257. Disponível em: https://jofdl.nz/index.php/JOFDL/article/view/257. Acesso em: 24 nov. 2024.