Rivera, Ferdinand. <br/><br/>
Math challenges junior:  enhancement exercises for high school math/ 
by Ferdinand Rivera 
 - Makati:  Basic Media Systems,  c1998 
 - v.4., 48 pages:  illustrations;  18 cm 
 - Math Challenges;  v.4 .
<br/><br/><label>ISBN: </label>9716590717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc
<br/><br/><label>LC Class. No.: </label>QA 95  / .R524j 1998