TY  - GEN
AU  - Dev Sarma, B.K
AU  - Nath, D
TI  - A textbook of mathematics (for class XI) Pt.1: Algebra Pt.11 : Trigonometry and co-ordinate geometry Pt.111 : statistics
SN  - 8122408311
U1  - 510 
PY  - 1995///
CY  - New Delhi
PB  - New Age International
KW  - MATHEMATICS
ER  -