Wilkinson T.S. Au. <br/><br/>
Methodology and techniques of social research 

 - Bombay  Himalaya publishing house India       1977 
 - 412p  cm. 
<br/><br/><label>Standard No.: </label>20,218 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Yb4, L7