Guillermo Rodríguez-Izquierdo Gavala2026-03-222026-03-22201710.32418/rfs.2017.287-288.1452https://doi.org/10.32418/rfs.2017.287-288.1452https://andeanlibrary.org/handle/123456789/67191.esLa copa de champán: la desigualdadarticle