Intermediate algebra / 
Alferez, Merle S. ; Duro, Ma. Cecilia A. 
 - Quezon City :  MSA Academic Advancement Institute,  2004. 
 - 326 p.; 27.5cm. 
<br/><br/><label>ISBN: </label>9718740708 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 A2 2004