Sekh, Omar. <br/><br/>
Sisur bikash o sikhantatya /  
Omar Sekh. 
 - /   . 
 - Kolkata :   Imperial Book House ,   2012. 
 - 282p. :   ill.,fig.,table ;   21cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> RS130.00 (pbk) 
<br/><br/><label>Subjects--Index Terms: </label>CHILD DEVELOPMENT ; SISUR BIKASH 
<br/><br/><label>Dewey Class. No.: </label>305.231  / SEK/S