Authorship: Ruiz R.G., Lian¨o S.G., Fernández N.G., Arregui E.A.,
Fuente: Educacion XX1, 13.2, 2010, pp. 163-184
Publisher: Universidad Nacional de Educacion a Distancia
Year of publication: 2010
No. of pages: 22
Publication type: Article
ISSN: 1139-613X,2174-5374