Rai, Urmila. <br/><br/>
Business communications 
Urmila Rai, S.M.Rai 
 - 2nd rev. ed. 
 - Mumbai :  Himalaya Publishing House,   c2001. 
 - 365 p.:  [137] 
<br/><br/><label>Dewey Class. No.: </label>658.45  / RAI/BUS