https://unillanos.metacatalogo.org/cgi-bin/koha/opac-search.pl?q=ccl=an%3A8839.&sort_by=relevance&format=rss 2 0 50 ISBN:968186199-X https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=14010 By Ackoff, Russell L.
México : Limusa Wiley, 2002 .
xiii, 367 páginas : 968186199-X

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=14010 ISBN:9789586485524 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=35107 By Céspedes Saenz, Alberto.
Bogotá : Ecoe Ediciones, 2008 .
xxii, 488p. 9789586485524

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