Babbie, Earl <br/><br/>
The practice of social research 
Earl Babble 
 - 4th edition 
 - Belmont:  Wadsworth publishing,  1979. 
 - xxii, 577p. 
<br/><br/> HBK 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>054305658X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences-Research<br/>Social sciences-Methodology
<br/><br/><label>Dewey Class. No.: </label>300.72  / BAP