Punch, Keith. <br/><br/>
Introduction to social research : quantitative and qualitative approaches 

 - 2nd ed. 
 - London ;  Thousand Oaks, Calif. :  SAGE,  2005. 
 - xvi, 320 p. :  ill. 
<br/><br/><label>ISBN: </label>0761944176 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>LC Class. No.: </label>MED REF H62  / P86