MEHTA, K.S. <br/><br/>
EFFECTIVE SCIENCE 

 -  ANUBHAV PUBLICATION HOUSE, ELAHABAD  2008 
 - 222 
<br/><br/><label>ISBN: </label>978-81-904788-7-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label> / MEH