Hierarchical role-based design of web-based educational systems for blended learning in higher education

1. Hornos, M.J.
2. Hurtado, M.V.
3. Pilar Fernández-Sánchez, M.
4. López-Martínez, A.
5. Benghazi, K.
6. Rodríguez-Almendros, M.L.
7. Abad-Grau, M.M.