Selltiz, Claire <br/><br/>
Research method in social relations 
by Claire Selltiz et.al. 
 - New York  Research Center  1959 
 - xv, 622p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --Research.
<br/><br/><label>Dewey Class. No.: </label>B084 Se48r/c.2