Kumar, <br/><br/>
Child psychology 
By Kumar 
 - 12th ed. 
 - Agra:  Lakshmi Naraian Agarwal,  2017. 
 - 304,4p. 
<br/><br/><label>ISBN: </label>9789386544162 
<br/><br/><label>Subjects--Index Terms: </label>Differential & developmental psychology 
<br/><br/><label>Dewey Class. No.: </label>155.4