TY  - BOOK
AU  - Chattopadhyay,Santanu
TI  - System software / 
SN  - 9788120330511
U1  - 005.42 
PY  - 2009///
CY  - New Delhi : 
PB  - PHI Learning , 
KW  - COMPUTER SYSTEMS
N1  - Includes index
ER  -