Cohen, Louis  <br/><br/>
Research Methods in Education 

 - 6th Ed. 
 - London  Routledge  2008 
 - 638 p 
<br/><br/>text 
<br/><br/><label>ISBN: </label>0415368782 
<br/><br/><label>Dewey Class. No.: </label>370.72  / COH