Freixenet i Mas, Dolors, Isabel Ribas i Nolla, and Cristòfol A Trepat i Carbonell. “Geography in the Core Curriculum of the Future Compulsory Secondary Education Cycle in Catalonia”. Documents d’Anàlisi Geogràfica 21 (September 15, 1992): 111–125. Accessed September 3, 2025. https://dag.revista.uab.cat/article/view/v21-freixenet-ribas-trepat.