TY  - BOOK
AU  - Williams, Brian, K Sawyer, Stacey, C 
TI  - Using information technology: A practical introduction to co 
SN  - 0-07-049545-9 
U1  - 004 SAW  
PY  - 2003///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - COMPUTER SCIENCE
ER  -