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<![CDATA[Biblioteca UGB Search for 'Provider:Cengage Learning Editores and itype:BK and au:LeÃ³n CÃ¡rdenas, Javier']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ACengage%20Learning%20Editores%20and%20itype%3ABK%20and%20au%3ALe%C3%83%C2%B3n%20C%C3%83%C2%A1rdenas%2C%20Javier&format=rss2 Search results for 'Provider:Cengage Learning Editores and itype:BK and au:LeÃ³n CÃ¡rdenas, Javier' at Biblioteca UGB 0 20