TY  - BOOK
AU  - Sinha, K.D.P.  
AU  - Prasad, S.B
TI  - Elementary coordinate geometry 
U1  - 516  
PY  - 1977///
CY  - Patna: 
PB  - Students Friends, 
KW  - Mathematics
KW  - Pure Sciences
KW  - Coordinate geometry
ER  -