TY  - BOOK
AU  - Joel T. Lao
AU  - Charles Nathaniel Valencia
TI  - Pre-calculus: for Drade 11 Senior High School 
SN  - 978-621-406-353-6
U1  - 515.4 
PY  - 2024///
CY  - Manila
PB  - Mindshapers
KW  - Calculus-Pre
ER  -