Garrett Henry E <br/><br/>
Shiksha evam manovigyan mein sankhiakee 

 - Ludhiana, India  Kalyani Publishers  1989 
 - xiii, 576p. 
<br/><br/><label>ISBN: </label>81-7096-103-3 
<br/><br/><label>Source: </label>TextBook