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

 - 1st 
 - New Delhi  Sage  1998 
 - xvi,319p p. 
<br/><br/><label>ISBN: </label>0-7619-5813-4 
<br/><br/><label>Subjects--Index Terms: </label>Social science - Research