MORALES MORGADO, E. M.; GÓMEZ AGUILAR, D.A; GARCÍA PEÑALVO, F. J.; THERÓN SÁNCHEZ, R. Supporting the Quality of Learning Objects Through Their Ranking Visualization. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 4, p. pp. 24–29, 2009. DOI: 10.3991/ijet.v4i0.863. Disponível em: https://online-journals.org/index.php/i-jet/article/view/863. Acesso em: 3 may. 2024.