TY  - BOOK
AU  - Donovan, John J
AU  - Donovan, John J
TI  - System programming
SN  - 9780074604823
U1  - 005.42 DON/SYS 
PY  - 2013///
CY  - New Delhi
PB  - McGraw Hill
KW  - COMPUTER SCIENCE AND ENGINEERING
ER  -