Punch, Keith, <br/><br/>
Introduction to social research :  quantitative & qualitative approaches / 
 Quantitative and qualitative approaches 
Keith F. Punch. 
 - Third edition. 
 - xvi, 386 pages ;  24 cm. 
<br/><br/> Previous edition: 2005. 
<br/><br/>References : page [359]-375. 
<br/><br/><label>ISBN: </label>9781446240922 (hbk.)  RM424.63 1446240924 (hbk.) 1446240932 (pbk.) 9781446240939 (pbk.)  RM424.63 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.