https://biblioteca.istx.edu.ec/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AEdiciones%20AAA&sort_by=relevance&format=rss 2 0 50 ISBN: https://biblioteca.istx.edu.ec/cgi-bin/koha/opac-detail.pl?biblionumber=1461 By Álvarez A., Agustín.
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184 páginas;

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]]> https://biblioteca.istx.edu.ec/cgi-bin/koha/opac-detail.pl?biblionumber=1461 ISBN: https://biblioteca.istx.edu.ec/cgi-bin/koha/opac-detail.pl?biblionumber=1479 By Álvarez A., Agustín.
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184 páginas;

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