Practical current awareness services from libraries 

 - 109 p. 
<br/><br/><label>ISBN: </label>0-566-03519-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>servico de alerta<br/>Bibliotecas--Serviço de referência
<br/><br/><label>Universal Decimal Class. No.: </label>025.5  / P895