https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=50%26limit%3Dau%3AD%C3%83%C2%83%C3%82%C2%A1vila%20Soley%2C%20Rodrigo%26limit%3Dholdingbranch%3AUSU%26limit%3Dsu-to%3A%C3%83%C2%83%C3%82%C2%89XITO%26limit%3Davailable&format=rss2 Search results for 'an,phr: 50&limit=au:Dávila Soley, Rodrigo&limit=holdingbranch:USU&limit=su-to:ÉXITO&limit=available' at Biblioteca UGB 0 20