Slocum, Keith. <br/><br/>
Business English :  with programmed reinforcement / 
Keith  Slocum. 
 - 4th ed. 
 - New York :  Glencoe,  1993 
 - viii, 568 p. ;  27 cm. 
<br/><br/><label>ISBN: </label>0028008715 :  405 baht 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Business English--Programmed instruction
<br/><br/><label>Dewey Class. No.: </label>808.0666  / S634B 1993