ECKHARDT, Kenneth W. <br/><br/>
Social research methods :  perspective, theory, and analysis / 
Kenneth W. Eckhardt and M. David Ermann 
 - New York :  Random House,  c1977. 
 - xx, 410p. :  ill. ;  24cm. 
<br/><br/> Includes bibliography and index 
<br/><br/><label>ISBN: </label>0-394-31256-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/> 	      Social sciences.     Social sciences -- Methodology.     Social sciences -- Research. 
<br/><br/><label>Dewey Class. No.: </label>300.18 ECK