"Hammond, Michael; Wellington, Jerry" <br/><br/>
Research Methods: the key concepts 

 - London  Routledge  2013 
 - 179p. 
<br/><br/><label>ISBN: </label>9780415599832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>Dewey Class. No.: </label>001.42 HAM