Principles of applied research methods/ 
by Duncan J R Jackson (ed.) 
 - London:  Sage,  2016. 
 - 567p. 
<br/><br/><label>ISBN: </label>9781526403216 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  / DUN/P