Kidder, Louise H. Judd, Charles M. <br/><br/>
Research methods in social relations  text 

 - 5th ed. 
 - New York  CBS Publishing Japan Ltd  1986 
 - 561p. Pbk 
<br/><br/><label>ISBN: </label>0039107140 
<br/><br/><label>Dewey Class. No.: </label>310 KID