Russell, Stuart; Norvig, Peter creator text Madrid Pearson educación 2004 2ª monographic 1240 pags libro descargado e impreso 006.3 R961i 9788420540030 https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-retrieve-file.pl?id=9606953b5f4535756e4ab298646f4d59 https://biblioteca.utla.edu.sv/cgi-bin/koha/opac-retrieve-file.pl?id=9606953b5f4535756e4ab298646f4d59 20260822152218.0