Introduccion a las bases de datos  el modelo relacional 
Olga Pons Capote ... [et al.]. 
 - Australia  Thomson  c2005. 
 - xiii, 286 p.  ill.  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8497323963 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management