VOROB’EV, Evgenii. Online teaching of Linear algebra using webMathematica. International Journal of Engineering Pedagogy (iJEP), [S. l.], v. 2, n. 3, p. pp. 47–51, 2012. DOI: 10.3991/ijep.v2i3.2134. Disponível em: https://online-journals.org/index.php/i-jep/article/view/2134. Acesso em: 5 may. 2024.