TY  - BOOK
AU  - Nocon, Ferdinand P.
TI  - Simplified trigonometry: calulator-based with applications 
SN  - 9717250391
AV  - QA 533 .N758 2012
PY  - 2012///
CY  - Manila
PB  - Grandbooks Pub. Inc.
KW  - Plane trigonometry
N1  - GE
ER  -