<![CDATA[Biblioteca UGB Search for 'an:5733 and itype:CR and se:Empresa revista del Centro de productividad y competitividad and au:[s.n.]']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A5733%20and%20itype%3ACR%20and%20se%3AEmpresa%20revista%20del%20Centro%20de%20productividad%20y%20competitividad%20and%20au%3A%5Bs.n.%5D&format=rss2 3 0 50