https://unillanos.metacatalogo.org/cgi-bin/koha/opac-search.pl?q=ccl=an%3A4264%2C&sort_by=relevance&format=rss 2 0 50 ISBN:9684514530 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=404 By Ernest, John W..
Bogotá : McGraw-Hill, 1988 .
121 páginas : 9684514530

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=404 ISBN:9584514549 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=406 By Ernest, John W..
Bogotá : McGraw-Hill, 1988 .
126 páginas : 9584514549

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