Leon, Alexis. <br/><br/>
Database management system 
by Alexis Leon and Mathews Leon 
 - New Delhi  Leon Press  1999 
 - xxxix, 988p. 
<br/><br/><label>ISBN: </label>08125911650 
<br/><br/><label>Dewey Class. No.: </label>005.74  / N993