Phoenix math for the 21st century learners/ 
Eugenia V. Guerra [and five others], 
 - [Philippines]:  Phoenix Publishing House;  c2019. 
 - vii, 406 pages:  illustration;  26 cm. 
<br/><br/> Grade 9. 
<br/><br/><label>ISBN: </label>9789710646340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / P574 2019