TY  - BOOK
AU  - DASS (H K);VERMA (Rama).
TI  - Mathematics: for class XI
SN  - 81-219-9839-5
U1  - 510 DASM 23
PY  - 2013///
CY  - New Delhi
PB  - S Chand & Company Ltd
KW  - Mathematics
ER  -