TY  - GEN
AU  - Sarma , B.K.Dev
AU  - Nath , D.
TI  - A textbook of mathematics : for class xi
SN  - 8122408311
U1  - 510 
PY  - 1990///
CY  - New Delhi
PB  - New Age International
KW  - MATHEMATICS-ALGEBRA-TRIGONOMETRY-STATISTICS
ER  -