Chapin, F. Stuart <br/><br/>
Experimental designs in sociological research 

 - New York  Harper & Brothers Pub.  1947 
 - x,206p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Y1b4
<br/><br/><label>Dewey Class. No.: </label>Y1b4  / H7