<![CDATA[SISTEMA DE BIBLIOTECAS EPN - Search for 'su:"OPERACIONES UNITARIAS" and au:Vera Calle, Edwin Rafael']]> https://biblioteca.epn.edu.ec/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22OPERACIONES%20UNITARIAS%22%20and%20au%3AVera%20Calle%2C%20Edwin%20Rafael&format=rss2 11 0 50