TY  - BOOK
AU  - DASS, H. K.
AU  - VERMA, Dr, Rama.
TI  - Mathematics For Class XII
SN  - 978812192
U1  - 510  DAS. 
PY  - 1997///
CY  - S. Chand & Company LTD; 
PB  - New Delhi
N1  - Includes Index
ER  -