Principles of economics (with taxation and agrarian reform) : simplified 
Marcelino, Ramon Benedicto N. 
 -  National Book Store,  2010 
 - xiv, 238 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71087102-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics -- Study and teaching -- Philippines.
<br/><br/><label>Dewey Class. No.: </label>F 330.44 P9451 2010