TY  - GEN
AU  - Balasuriya , Sanjeeva
TI  - Planar coordinate geometry
SN  - 955965960X
U1  - 516.05 
PY  - 1998///
CY  - Kadugannawa
PB  - Sampath Printing
KW  - GEOMETRY
KW  - MATHEMATICS
KW  -  PLANES
ER  -