Dutta Choudhury, R. M., <br/><br/>
Elementary Differential Calculus 

 - 1st /   1991. 
 - Guwahati:  Lawyers Book Stall,  1991. 
 - 287p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Differential Calculus. 
<br/><br/><label>Dewey Class. No.: </label>515.3