Punch, Keith <br/><br/>
Introduction to social research :  quantitative and qualitative approaches / 
Keith F. Punch 
 - 3rd ed. 
 - Los Angeles, California  SAGE,  2014 
 - xxii, 386 p. :  ill. ;  24 cm. 
<br/><br/> Previous edition: 2005 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781446240922 (hbk) 9781446240939 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research