TY  - BOOK
AU  - Enriquez, Jay P. & Ymas, Sergio E.
TI  - Plane trigonometry with focus on more practical applications in trigonometry
SN  - 9789710438051
U1  - Fil. 516.02 En72 C2014 
PY  - 2014///
CY  - Philippines
PB  - Ymas Publishing House
ER  -