La mancha en la pared Authors Carmen Arjona DOI: https://doi.org/10.37536/RIECS.2020.5.1.198 Downloads PDF (Español (España)) Published 30-05-2020 Issue Vol. 5 No. 1 (2020): RIECS mayo 2020 Section Ágora License This work is licensed under a Creative Commons Attribution 4.0 International License.
