Avelino, Vivien R. <br/><br/>
Simplifying mathematical challenges n / 
Vivien R. Avelino ; Jaimena C. Sosa ; Sylvia S. Ortiz 
 - Philippines :  ICS,  c2012. 
 - 281 pages :  illustrations ;  27 cm. 
<br/><br/><label>ISBN: </label>9717193885 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--textbooks.
<br/><br/><label>Dewey Class. No.: </label>P Fil. 510 Av948 2012