TY  - BOOK
AU  - Lumabas,Rogelio S.
TI  - Plane trigonometry
SN  - 9710616870
U1  - 516.242 
PY  - 1993///]
CY  - Quezon City
PB  - Phoenix Pub. House
KW  - Plane trigonometry
KW  - lcgft
ER  -