https://biblioteca.cun.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22P%C3%A9rez%20Guti%C3%A9rrez%2C%20Mario%2C%22&sort_by=relevance&format=rss 3 0 50 ISBN: https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=27068 By Pérez Gutiérrez, Mario,.
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1 online resource (52 pages) : , On cover: "P01/79006/00606"

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]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=27068 ISBN:8484298906 | 9788484298908 https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=27070 By Pérez Gutiérrez, Mario,.
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1 online resource (46 pages) : , On cover: "P01/79006/00607" 8484298906 | 9788484298908

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]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=27070 ISBN: https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=67434 By Pérez Gutiérrez, Mario,.
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1 online resource (52 pages) : , On cover: "P01/79006/00606"

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]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=67434