<![CDATA[Biblioteca UGB Search for 'Provider:Universidad Gerardo Barrios and au:Universidad Gerardo Barrios and location:GEN and location:GEN and au:Castro López, Walter Antonio']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUniversidad%20Gerardo%20Barrios%20and%20au%3AUniversidad%20Gerardo%20Barrios%20and%20location%3AGEN%20and%20location%3AGEN%20and%20au%3ACastro%20L%C3%83%C2%B3pez%2C%20Walter%20Antonio&format=rss2 Search results for 'Provider:Universidad Gerardo Barrios and au:Universidad Gerardo Barrios and location:GEN and location:GEN and au:Castro López, Walter Antonio' at Biblioteca UGB 0 20