2021-06-212021-06-211899https://hdl.handle.net/11441/114567application/pdf267 p.spaAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/bookinfo:eu-repo/semantics/openAccesshttps://fama.us.es/permalink/34CBUA_US/18mroog/alma991004799199704987