TY  - BOOK
AU  - Guha, Rajni
TI  - Operating system of system programming
U1  - 005.43 G939O 
PY  - 2022///
CY  - New Delhi
PB  - Arihant Books
N1  - 4929 26/12/2022 IBC22/916 26/12/2022 Main Budget
ER  -