Verma; Preeti,Shrivastav;D.N. <br/><br/>
Bal Manovigyan :Bal Vikas  Hindi 

 - 3rd ed. 
 - Agra  Vinod  pustak  1984 
 - 580 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>155.4 V59C