Powell Ronald R. <br/><br/>
Basic research methods for librarians / 
Ronald R. Powell and Lynn Silipigni Connaway 
 - 4th ed. 
 - Westport, Connecticut :  Libraries Unlimited,  2004 
 - x, 347 p. :  il. 
 - Library and information science text series .
<br/><br/><label>ISBN: </label>1591581036 (encuadernado en tela) 1591581125 (rústica) 
<br/><br/><label>Source: </label> 546.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliotecología--Investigacion--Metodologi a
<br/><br/><label>LC Class. No.: </label>Z669.7  / P68 2004