http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=au%3APorter%2C%20Michael%20E.%20and%20su-to%3AECONOMIA%20EMPRESARIAL&format=rss2 3 0 50 ISBN 0029250900 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=1122 By Porter, Michael E.. New York : The Free Press, 1985 . 557 p. : 24 cm. 0029250900

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=1122 ISBN 9501511057 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=3851 By Porter, Michael E.. Buenos Aires : Vergara, 1991 . 1025 p. : , Título original The competitive advantage of nations | Indice de capítulos | Indice onomástico y de materias 23 cm.. 9501511057

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=3851 ISBN 9682607787 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=13794 By Porter, Michael E.. México, DF : CECSA, 1987 . 550 p. : , Título original en inglés Competitive advantage | Contenido de los capítulos 23 cm.. 9682607787

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