Aggarwal, J.C. <br/><br/>
Educational research : an introduction 
/ by  J.C. Aggarwal 
 - New Delhi :  Arya Book Depot,  1966 
 - iv,260p.; 21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.78  / AGG-ED