Agnihotri, Vidyadhar. <br/><br/>
Techniques of Social Research /  

 - 1st ed /  
 - New Delhi-48 :   M.N. Publishers ,   1991 
 - p.95 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>Y  / M0