https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A2229%20and%20itype%3ABK%20and%20location%3AINI%20and%20su-to%3ATECNOLOGIA%20and%20su-to%3ATECNOLOGIA%20and%20au%3A%20Direcci%C3%AF%C2%BF%C2%BD%C3%AF%C2%BF%C2%BDn%20de%20Investigaci%C3%AF%C2%BF%C2%BD%C3%AF%C2%BF%C2%BDn%2C%20Universidad%20Gerardo%20Barrios%20Hern%C3%AF%C2%BF%C2%BD%C3%AF%C2%BF%C2%BDndez%20S%C3%AF%C2%BF%C2%BD%C3%AF%C2%BF%C2%BDnchez&format=rss2 Search results for 'an:2229 and itype:BK and location:INI and su-to:TECNOLOGIA and su-to:TECNOLOGIA and au: Direcci��n de Investigaci��n, Universidad Gerardo Barrios Hern��ndez S��nchez' at Biblioteca UGB 0 20