Intelligent Business upper-intermediate Workbook + audio CD /1 ks/ - Pile Louise
Intelligent Business upper-intermediate Coursebook Audio CDs /sada 2 ks/ - Trappe,Tullis
Intelligent Business pre-intermediate Workbook + audio CD /1 ks/ - Barrall I.,Barrall N.
Intelligent Business pre-intermediate SB - Johnson Christine
Intelligent Bussiness - Coursebook - Intermediate Busines English - Tullis, G & Trappe, T
Intelligent Business upper-intermediate Coursebook - Trappe T.,Tullis G.