TY  - BOOK
AU  - Lactuan, Leo L.
AU  - Lactuan, Imelda R.
TI  - Modern plane trigonometry
SN  - 9789719676263
U1  - Fil./516.242/L119 
PY  - 2016///
CY  - Malabon City
PB  - Jimczyville Publications
KW  - Plane trigonometry
ER  -