Sin Uttam Kumar <br/><br/>
Basic Education 

 -  Commonwealth Publishers  2005 
 - 384p 
<br/><br/><label>ISBN: </label>8171694152 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>370.956/SIN/2005