Business English  : course code 410, units 11-18 

 - Islamabad:  AIOU,  1986. 
 -  266p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business English-Correspondance courses
<br/><br/><label>Dewey Class. No.: </label>650.07154  / ALE