G.L Ray <br/><br/>
Research Methods In Social Sciences And Extension Education 

 - New Delhi  Kalyani Publishers  2004 
 - 321 
<br/><br/><label>ISBN: </label>9781-272-1463-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods In Social Sciences And Extension Education
<br/><br/><label>Dewey Class. No.: </label>300.72/R211R