<![CDATA[Biblioteca UGB Search for 'Provider:Universidad Gerardo Barrios and su-geo:MERCADEO and au:Torres Alfaro, Yanira del Carmen and su-to:TESIS and holdingbranch:USU and holdingbranch:USU']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AUniversidad%20Gerardo%20Barrios%20and%20su-geo%3AMERCADEO%20and%20au%3ATorres%20Alfaro%2C%20Yanira%20del%20Carmen%20and%20su-to%3ATESIS%20and%20holdingbranch%3AUSU%20and%20holdingbranch%3AUSU&format=rss2 Search results for 'Provider:Universidad Gerardo Barrios and su-geo:MERCADEO and au:Torres Alfaro, Yanira del Carmen and su-to:TESIS and holdingbranch:USU and holdingbranch:USU' at Biblioteca UGB 2 0 50