Babbie, Earl <br/><br/>
The Practice of Social research 

 - 5th ed. 
 - California:  Wadsworth Publishing Company,  1989 
 - xxiv, 551 p. : ill. ; 24 cm.  Bibliography and index included 
<br/><br/><label>ISBN: </label>053409726X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCES-Research<br/>Social sciences--Methodology.
<br/><br/><label>Dewey Class. No.: </label>300   / BAB