Ray G L <br/><br/>
Research methods in social sciences and extension education 

 - Ludhiana  Kalyani Publishers  2017 
 - 330p. 
<br/><br/><label>ISBN: </label>9788127267469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>extension<br/>education
<br/><br/><label>Dewey Class. No.: </label>300.72 RAYR