Estimating the difficulty level of the challenges proposed in a competitive e-learning environment
- Verdú, E.
- Regueras, L.M.
- Verdú, M.J.
- De Castro, J.P.
ISSN: 0302-9743, 1611-3349
ISBN: 9783642130212
Année de publication: 2010
Volumen: 6096 LNAI
Número: PART 1
Pages: 225-234
Type: Communication dans un congrès