Babbie, Earl <br/><br/>
The practice of the social research 

 - California  Wadsworth Publishing Company  1992 
 - xxii,577p.  24cm. 
<br/><br/><label>ISBN: </label>053405658X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>LC Class. No.: </label>H62.B2