Calmorin, Laurentina Paler <br/><br/>
Business mathematics / 
Laurentina Paler Calmorin. 
 - Mandaluyong City :  National Book Store,  2009. 
 - xii, 257 p.:  25 cm. 
<br/><br/> Includes index 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>971-08-6689-3 
<br/><br/><label>LC Class. No.: </label>513.93