Novotny, Eric <br/><br/>
Assessing reference and user services in a digital age 

 - London   : Haworth Press Inc,  2006 
 - 236p.   : ill.   ; 24cm. 
<br/><br/><label>ISBN: </label>0780033505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic reference services - evaluation
<br/><br/><label>LC Class. No.: </label>Z711.45.A77