TY  - BOOK
AU  - Sirug, Winston S.
TI  - Pre-Calculus: a comprehensive approach 
SN  - 978-971-9655-26-8
U1  - SHS TB 512.1 Si79 2023 
PY  - 2023///
CY  - Manila
PB  - Mindshapers
KW  - Precalculus
KW  - Study and teaching
ER  -