Lin Nan ,etc <br/><br/>
Conducting social research. 

 - New York  1976 
 - viii,203p  cm. 
<br/><br/> Appendix P189-202 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Yb4, L6