2021-08-122021-08-121821https://hdl.handle.net/11441/119067application/pdf60 p.spaAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Economía, fomento de la riqueza nacional y plan de única contribucion directainfo:eu-repo/semantics/bookinfo:eu-repo/semantics/openAccesshttps://archive.org/details/A10904518https://fama.us.es/permalink/34CBUA_US/18mroog/alma991007838199704987