TY  - BOOK
AU  - Donovan, John S.
TI  - System programming
SN  - 9780074604823
U1  - 005.4 
PY  - 2008///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Computer science
N1  - Includes index; Book Emporium Silchar
ER  -