Kovacs, Diane K.  1962- <br/><br/>
The virtual reference handbook :  interview and information delivery techniques for the chat and e-mail environments / 
Diane K. Kovacs. 
 - New York :  Neal-Schuman,  c2007. 
 - xvii, 132 p. 
<br/><br/><label>ISBN: </label>1555705987 9781555705985 
<br/><br/><label>Source: </label> 65.10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Servicios de consulta electrónicos (Bibliotecas)
<br/><br/><label>LC Class. No.: </label>Z711.45  / K69