Information industry directory :  an international guide to organizations, systems, and services involved in the production and distribution of information in electronic form / 
edited by Maureen A. Puhl 
 - 23rd ed. 
 - Detroit, Mass. :  Gale Group,  2001 
 - v. ;  28 cm. 
<br/><br/> Descriptive listings -  Descriptive listings and indexes  v. 1.  v. 2. 
<br/><br/><label>ISBN: </label>0787633410 (set)  RM1,316.55 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services industry--Directories<br/>Information systems--Directories