TY  - BOOK
AU  - Villale, Jason E.
TI  - Precalculus
SN  - 9789716997514
U1  - SHS TB 512.1 V71p 2018 
PY  - 2018///
CY  - IEMI Building, 2356 Revellin St., Sta Ana, Manila
PB  - Innovative Educational Materials Inc.
KW  - Calculus.
KW  - Calculus
KW  - Problems, exercises, etc
N1  - Includes bibliography
ER  -