Punch F.K. <br/><br/>
Introduction to social research:  quantitative & qualitative approaches/ 
Keith F.Punch 
 - 3rd 
 - Los Angeles:  Sage,  2014. 
 - xvi, 386p.:  ill.;  23 cm. 
<br/><br/> includes appendix, glossary,references and index 
<br/><br/><label>ISBN: </label>9781446240939 
<br/><br/><label>LC Class. No.: </label>DUCE H62.157