Modern commercial correspondence 
By Naresh chandra Roychowdhury 
 - 2nd ed. 
 - Calcutta:  Book agency pvt ltd.,  1975. 
 - x,426p. 
<br/><br/><label>Subjects--Index Terms: </label>Office services Commercial correspondence 
<br/><br/><label>Dewey Class. No.: </label>651