TY  - BOOK
AU  - Bhatia, S.S
AU  - Singh, Inderdeep/singh, Manpreet/
TI  - Operating system and PC software
SN  - 9788127254452
U1  - 055.44 B470O 
PY  - 2009///
CY  - Ludhiana
PB  - Kalyani Publishers
ER  -