"Powell, Ronald R." <br/><br/>
Basic research methods for librarians 

 - 3rd ed. 
 - London  Ablex  2002 
 - 280p. 
<br/><br/><label>ISBN: </label>9781567503388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science-Research-Methodology
<br/><br/><label>Dewey Class. No.: </label>020.72 POW 3rd ed