Roy Sushil, <br/><br/>
SIKSHYA MANOBIDHYA ( Educational Psychology ) 
by Sushil Roy 
 - 1st ed. B.S. 
 - Kolkata:  Soma Book Egencey,  1379. B.S. 
 - 16,884pg.:  24cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>EDUCATION.
<br/><br/><label>Dewey Class. No.: </label>370.15  / ROY  / ROY  / ROY