TY  - BOOK
AU  - Chopra,Rajiv
TI  - Operating Systems :[A Practical Approach] For the Students of B.E / B.Tech., M.E. / M.Tech. & BCA / MCA
U1  - 005.43 
PY  - 2013///
CY  - New Delhi
PB  - S.Chand & Company Pvt. Ltd.
ER  -