Commercial correspondence 
By D. Biswal 
 - Ludhiana:  Kalyani publishers,  1980. 
 - vi,210p. 
<br/><br/><label>ISBN: </label>81-7096-715-5 
<br/><br/><label>Subjects--Index Terms: </label>Commerce Commercial correspondence 
<br/><br/><label>Dewey Class. No.: </label>651.75