<![CDATA[Biblioteca UGB Search for 'an:2229 and au:Direcci��n de Investigaci��n, Universidad Gerardo Barrios Berm��dez Aguilar,Abiud Ademir']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A2229%20and%20au%3ADirecci%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%20Berm%C3%AF%C2%BF%C2%BD%C3%AF%C2%BF%C2%BDdez%20Aguilar%2CAbiud%20Ademir&format=rss2 0 20