Punch,F.K. <br/><br/>
Introduction to social research:  quantitative and qualitative approaches/ 
Keith F.Punch 
 - 2nd 
 - London:  Sage,  2005. 
 - x, 320p.:  ill.;  24 cm. 
<br/><br/> includes appendix,glossary reference and index 
<br/><br/><label>ISBN: </label>9780761944171 
<br/><br/><label>LC Class. No.: </label>DUCE H62.P.93