[1]
Ascón i Borràs, R. and Villanueva i Margalef, M. 1987. Meeting of the Commission on Geographical Education of the International Geographical Union (Sitges, 25–31 August 1986). Documents d’Anàlisi Geogràfica. 10, (Jan. 1987), 119–121. DOI:https://doi.org/10.5565/rev/dag.1415.