TY  - BOOK
AU  - Khanna,M.M.
AU  - Nagpal,T.R.
TI  - A text book of co-ordinate geometry
U1  - 516.160711 
PY  - 2001///
CY  - Jalandhar
PB  - Modern Publishers
KW  - Coordinates
KW  - Study and teaching (Higher)
ER  -