Roy, P. <br/><br/>
Elementary calculus 
P. Roy 
 - Calcutta  Students friend  1957 
 - 184p. 
<br/><br/><label>ISBN: </label> Rs.3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.1  / ROY