https://biblioteca.cun.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=an%3A35468&sort_by=relevance&format=rss 2 0 50 ISBN:958600872X https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=9187 By Albarrán Vázquez, Mario.
México : McGraw Hill .
X, 141 p. 958600872X

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]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=9187 ISBN:970102298X https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=10028 By Escobar Valenzuela, Gustavo.
México : McGraw Hill, 1999 .
312 p. 970102298X

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