Cambridge english empower B1  : pre intermediate teacher's book 
/ Lynda Edwards, Ruth Gairns, Stuart Redman, Wayne Rimmer...[et al] 
. - Cambridge  : Cambridge univerity press, 2015
. - 288 p.  : ill.  ; 30 cm 
<br/><br/><label>ISBN: </label>9781107-466715 
<br/><br/><label>Source: </label> Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>372.880.20