Calaf, Rosa María2026-03-042026-03-0420262026-03-042026978846694007810.5209/hei.007.02https://pepa.une.es/handle/123456789/67626Libro digitalCreative Commons Attribution 4.0 International (CC BY 4.0)Creative Commons Attribution 4.0 International (CC BY 4.0)http://creativecommons.org/licenses/by/4.0/openAccess