Information systems / 
School of Social Sciences, Indira Gandhi National Open University 
 - New Delhi :  The Author,  2003, reprinted 2009 
 - 241 p. :  ill. ;  29 cm. 
 - PGDLAN,  MLI;  Paper-23 .
<br/><br/><label>ISBN: </label>8126608617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System analysis<br/>Information storage and retrieval systems<br/>Library materials--Digitization<br/>Database management<br/>Digital libraries<br/>Database design<br/>Query languages (Computer science)<br/>Algebra, Boolean
<br/><br/><label>Dewey Class. No.: </label>025.00285