Lopez, Brian Roy  <br/><br/>
Our world of math 8 
by Brian Roy Lopez, Debbie Verzosa and Walner Saturmo 
 - 2nd ed. 
 - Quezon City :  Vibal Group ;  2018. 
 - viii, 344p. :  ill. col., ;   23 cm. 
<br/><br/><br/>English text. 
<br/><br/><label>ISBN: </label>9789710741489