TY  - BOOK
AU  - Yadav,P.K
AU  - Singh,Pancham
TI  - Operating Systems
SN  - 9789381126264
U1  - 005.43 YAD 
PY  - 2011///
CY  - New Delhi
PB  - Nandani Prakashan Pvt. Ltd.
ER  -