Guzman, Juliet S. <br/><br/>
Mastering the principles of economics / 
Juliet S. Guzman and Danilo B. Aguirre. 
 - Mandaluyong City :  National Book Store,  c2004. 
 - 123p. :  ill ;  22 cm. 
<br/><br/><label>ISBN: </label>9710864890 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.