https://biblioteca.cun.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=an%3A172230&sort_by=relevance&format=rss 2 0 50 ISBN:9789587744347 | 9587744349 https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=78225 .
1 online resource : 9789587744347 | 9587744349

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1 online resource : 9789587746266 | 9587746260

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