Punzalan, Celestino Narag <br/><br/>
Fundamentals of business mathematics / 
by Celestino Narag Punzalan. 
 - Rev. 2nd ed 
 - Manila :  Celando Enterprises,  c1991. 
 - xi, 288 p. 
<br/><br/> Includes appendix. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics