https://biblioteca.uaysen.cl/cgi-bin/koha/opac-search.pl?q=ccl=au%3AVillamizar%2C%20Juan%20Carlos%2C&format=rss2 5 0 50 ISBN 9789587383218 (e-book) https://biblioteca.uaysen.cl/cgi-bin/koha/opac-detail.pl?biblionumber=189128 By Villamizar, Juan Carlos.. . 1 recurso en línea (xxi. 380 páginas) , Contiene índice. 9789587383218 (e-book)

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