BABBIE, Earl R. <br/><br/>
The practice of social research/ 
Earl R. Babbie 
 - 5th Edition  
 - United state of America,  Wadsworth Publishing Company,  c1979. 
 - xvi,501p.;  ill.; 
<br/><br/> includes index and bibliography  
<br/><br/><label>ISBN: </label>053409726 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences - Research
<br/><br/><label>Dewey Class. No.: </label>300.72 BAB