Algebra concepts and processes / 
Acelajado, Maxima J. ; Beronque, Yolanda B. ; Co, Frumencio F. 
 - Mandaluyong City :  National Book Store,  2005. 
 - 482 p.; 25.3cm. 
<br/><br/><label>ISBN: </label>9710865803 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 A173 2005