Salamat, Lorina G. <br/><br/>
Business mathematics :  text/workbook / 
Lorina G. Salamat, Antonina C. Sta. Maria, Merlyn R. Sevilla. 
 - 3rd ed. 
 - Mandaluyong City :  National Book Store,  2008. 
 - 225 pages ;  25 cm. 
<br/><br/> Business mathematics.