Carmelita U. Cruz and Jose G. Pulumbarit, Jr.  <br/><br/>
MATH VI ADVANCED MATHEMATICS  

 -  National Book Store, Inc.  1985 
<br/><br/><label>ISBN: </label>971-08-2306-X 
<br/><br/><label>Dewey Class. No.: </label>Fil. 510 C88 c1