G.L. Ray  <br/><br/>
Research methods in Social Sciences and Extension Education  

 - 2nd rev. enl. Rep. 2006 
 - New Delhi  Kalyani Publishers   2006 
 - 321 
<br/><br/><label>ISBN: </label>978-81-272-1463-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods Social Sciences Extension Education --Research Methods Social Sciences Extension Education