Slocum, Keith. , <br/><br/>
Business english :  with programmed reinforcement / 
Keith Slocum. 
 - 4th edition 
<br/><br/><label>ISBN: </label>0028008715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Business English --Programmed instruction.
<br/><br/><label>LC Class. No.: </label>PE1115   / .S66 1993