TY  - BOOK
AU  - Labh, Singh
TI  - A Text Book of Plane co-ordinate Geometry: A Text Book of Plane co-ordinate Geometry, Delhi : S.Chand (a), 1956
U1  - 516 
PY  - 1956///
CY  - Delhi
PB  - S.Chand (a)
ER  -