DATHE, Sebastian; HENDRICKS, Wilfried. The Nemesis E-Learning 4-Secotrs-Model - A Concept to Enhance the Reusability of E-Learning Products. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 2, n. 2, 2007. DOI: 10.3991/ijet.v2i2.103. Disponível em: https://online-journals.org/index.php/i-jet/article/view/103. Acesso em: 2 may. 2024.