http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A21803%20and%20au%3ABurch%2C%20John&format=rss2 3 0 50 ISBN 9681841719 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=14150 By Burch, John. New York : Wiley, 1986 . 985 p. : , Tít. orig.: Information system theory and practice. 24 cm. 9681841719

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=14150 ISBN 0471010979 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=5101 By Burch, John. New York : Wiley, 1986 . 674 p. : 23 cm. 0471010979

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=5101 ISBN 9681809955 http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=15477 By Burch, John. México : LIMUSA, 1981 . 546 p. : , Tít. orig.: Information systems : theory and practice 9681809955

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=15477