JANS, R.; AWOUTERS, V. Digital Portfolio: a Strategy for Teachers Professional Development. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 3, n. 1, 2008. DOI: 10.3991/ijet.v3i1.255. Disponível em: https://online-journals.org/index.php/i-jet/article/view/255. Acesso em: 19 jan. 2022.