TY  - GEN
AU  - Bhardwaj, Shreesh
TI  - S. chand's and question bank in chemistry:   for class xii 
SN  - 8121917271
U1  - 540 
PY  - 1998///
CY  - New Delhi
PB  - S. Chand and Company 
KW  - CHEMISTRY
ER  -