Engineering economy 
Sta.Maria, Hipolito B. 
 - 3rd ed. 
 -  National Book Store.  2011 
 - 154 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71086031-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering economy.
<br/><br/><label>Dewey Class. No.: </label>F 620 S7751 2011