MENCKE, S.; DUMKE, R. Didactical Ontologies. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 3, n. 1, 2008. DOI: 10.3991/ijet.v3i1.185. Disponível em: https://online-journals.org/index.php/i-jet/article/view/185. Acesso em: 27 jan. 2022.