TY  - BOOK
AU  - 
AU  - 
ED  - NCERT
ED  - 
ED  - 
TI  - Mathematics exemplar problems : class XI
SN  - 9788174509444
U1  - 510 
PY  - 2009///
CY  - New Delhi
PB  - NCERT
KW  - 
ER  -