Database concepts/ 
Gladys E. Barren. 
 - 4th editiopn. 
 - Philippines:  Techfactor. 
 - vi, 147 pages.   25 cm. 
<br/><br/><label>ISBN: </label>9789710550227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management.
<br/><br/><label>Dewey Class. No.: </label>F005.74 D232