Singh, Ajay <br/><br/>
Shaikshik vichar evam anuprayog 

 - New Delhi  Lakshya Publication  2014 
 - 80p. 
<br/><br/> 2969 
<br/><br/><label>ISBN: </label>9789381868607  125 
<br/><br/><label>Dewey Class. No.: </label>370.11 SIN-S