PUNCH, Keith.F <br/><br/>
Introduction to Social research: quantitative and qualitative approaches 

 - 2nd Edi 
 - New Delhi  SAGE Pub  2005 
 - x, 320p. 
<br/><br/><label>ISBN: </label>0-7619-4417-6 
<br/><br/><label>Dewey Class. No.: </label>300.72