Oronce, Orlando A., <br/><br/>
E-math 9:  worktext in mathematics / 
Orlando A. Oronce, Marilyn O. Mendoza. 
 - Revised edition. 
 - Manila, Philippines :  Rex Book Store,  2019. 
 - xiv,459 pages:  illustrations ;  28 cm 
<br/><br/> "Curriculum Aligned Seamless K to 12 + Standard Based Assessment" --Cover  Includes index. 
<br/><br/><label>ISBN: </label>9789712391255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>510  / Or65