PROF.P.C  TRIPATHI <br/><br/>
A TEXTBOOK RESERCH METHODOLOGY IN SOCIAL SCIENCES 

 - NEW DELHI  SULTHAN CHAND &SONS 
<br/><br/><label>ISBN: </label>81-7014-861-8 
<br/><br/><label>Dewey Class. No.: </label>001.42  / TRI/A