Perri 6. <br/><br/>
Principles of  methodology   research design in social science. 
Perri 6 Perri 
 - Los Angeles   Sage  2012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences-- Research-- Methodology
<br/><br/><label>LC Class. No.: </label>SPEC H 62 .S59