<![CDATA[SISTEMA DE BIBLIOTECAS EPN - Search for 'au:"Aguirre Piedra, Alberto"']]> https://biblioteca.epn.edu.ec/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Aguirre%20Piedra%2C%20Alberto%22&format=rss2 4 0 50