<![CDATA[Biblioteca UGB Search for 'Provider:Universidad Gerardo Barrios and au:Clará Guevara, Mario Adolfo and holdingbranch:UGB']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUniversidad%20Gerardo%20Barrios%20and%20au%3AClar%C3%83%C2%A1%20Guevara%2C%20Mario%20Adolfo%20and%20holdingbranch%3AUGB&format=rss2 2 0 50