Streamline English,departures:  workbook A, unit 1- 40 /  1982. 
Bernard Hartley and Peter Viney 
 - Oxford :  Oxford University Press,  1982. 
 - 40 p., 
<br/><br/><label>ISBN: </label>0194322378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Englsih language study and teaching.
<br/><br/><label>Dewey Class. No.: </label>420.7