https://unillanos.metacatalogo.org/cgi-bin/koha/opac-search.pl?q=ccl=an%3A100270.&sort_by=relevance&format=rss 3 0 50 ISBN:9582001011 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=13918 By Blanco B, Carmiña.
Santafe de Bogotá : Cooperativa Editorial Magisterio, 1998 .
93 páginas : 9582001011

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=13918 ISBN:0521657199 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=36147 By Remacha Esteras, Santiago.
Estados Unidos : Cambridge University Press, 1999 .
iv, 128p. 0521657199

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=36147 ISBN:9789588409184 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=38279 By Araujo Quiroz, Carmen Beatriz.
Cesar : [Publisher not identified], 2001 .
258 páginas : 9789588409184

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