Powell R. Ronald <br/><br/>
Basic research methods for librarians 
Ronald R. Powell and Lynn Silipigni Connaway 
 - 4th ed. 
 - USA:  Libraries Unlimited,  2004. 
 - 347 p, 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Research--Methodology
<br/><br/><label>Dewey Class. No.: </label>020.72  / POB