TY  - BOOK
AU  - Badua, Pedrito M. ; 
TI  - Pre-Calculus Math ; :  (Plane Trigonometry)/ 
SN  - 9719239641
U1  - 516.24 B132 
PY  - 2012///]
CY  - Nueva Ecija; 
PB  - CLSU Mathematics Faculty; 
ER  -