Wilkinson, T. S. <br/><br/>
Methodology and techniques of social research   
by T. S. Wilkinson, P. L. Bhandarkar. 
 - 3ed. 
 - Bombay  Himalaya Publishing House  1982 
 - 440p. 
<br/><br/><label>Dewey Class. No.: </label>300.18  / N82