https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=9759%26limit%3Dau%3AGavidia%2C%20Francisco%26limit%3Dlocation%3ASALV&format=rss2 Search results for 'an,phr: 9759&limit=au:Gavidia, Francisco&limit=location:SALV' at Biblioteca UGB 0 20