https://biblioteca.cun.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Professional%20English%22&sort_by=relevance&format=rss 2 0 50 ISBN:0521753627 https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=7254 By Dignen, Bob.
Estados Unidos : Cambridge, 2004 .
143 p. : 0521753627

]]> Place hold on For work and life english 365 :

]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=7254 ISBN:0521754283 https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=8943 By Remacha Esteras, Santiago.
Estados Unidos : Cambridge University Press, 2004 .
160 p. 0521754283

]]> Place hold on Infotech english for computer users :

]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=8943