Singh, Suresh <br/><br/>
Vigyan shikshan 

 - 2nd 
 - Allahabad  Anubhav Publishing House  2013 
 - 360p. 
<br/><br/> 2990 
<br/><br/><label>ISBN: </label>9789380134185  175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Faculty of Education
<br/><br/><label>Dewey Class. No.: </label>507.1 SIN-V