FORTES, E. C. Teaching Abstract Algebra Online. The Normal Lights, [S. l.], v. 10, n. 1, 2016. DOI: 10.56278/tnl.v10i1.180. Disponível em: https://po.pnuresearchportal.org/ejournal/index.php/normallights/article/view/180. Acesso em: 19 may. 2024.