Punch, Keith F. <br/><br/>
Introduction to research methods in education / 
Keith F Punch, Alis Oancea. 
 - 380P.: 
<br/><br/><label>ISBN: </label>9781847870186 
<br/><br/><label>LCCN: </label>2014934589 
<br/><br/><label>LC Class. No.: </label>LB1028 .P86 2009