PUNCH, Keith F.  Oancea, Alis <br/><br/>
Introduction to research methods in education  xiv, 588p., ill 
Keith F. Punch, Alis Oancea 
 -  2ND 
 -  SAGE  2014 
<br/><br/> “It includes bibliographical references and index”. 
<br/><br/><label>ISBN: </label>978-1-4462-6074-6