Pre-calculus (for senior high school) / 
Carpio, Joy N. ; Magat, Marc Edly R. ; Soto, Sherwin Vill S. 
 - Mandaluyong City :  Books Atbp. Publishing Corp.,  2018. 
 - vi, 182 p.; 25.1cm. 
<br/><br/>includes bibliography 
<br/><br/><label>ISBN: </label>9786214090846 
<br/><br/><label>Dewey Class. No.: </label>Fil 515 C298 2018