Allera, Norina E., <br/><br/>
Understanding mathematics 3 / 
Norina E. Allera. 
 - Manila :  Vicarish Publication and Trading, Inc.,  2018. 
 - ii-ix, 446 pages :  illustrations, tables, figures ;  27 cm. 
<br/><br/>Numbers and number sense. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-689-590-2 
<br/><br/><label>Dewey Class. No.: </label>FIL 510  / A434