TY  - BOOK
AU  - Roy Ashok Kumar
TI  - Dwimatrik sthnanka jyamiti( Co-ordinate geometry of two dimensions )
U1  - 516.16 
PY  - 1974///
CY  - Calcutta
PB  - West Bengal State Book Board
KW  - Coordinate geometry
N1  - Contents in Bengali
ER  -