Castillo, Andres V. <br/><br/>
Principle of economics. 

 - 1961 ed 
 - Manila :  University Book Supply,  [c1941] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>FIL 330  / C278