Balasubrahmanyan, M. <br/><br/>
Business Communications. 

 - 2nd, ed. 
 - India :  Vikas Publishing House,  1979. 
 - viii,243 p. 
<br/><br/><label>ISBN: </label>0706909747 
<br/><br/><label>Dewey Class. No.: </label>428  / BAL