TY  - BOOK
AU  - Elmasri, Ramez
AU  - Carrick, A. Gil
AU  - Levine, David
TI  - Operating Systems a Spiral Approach 
SN  - 9780070164543
U1  - 005.43 
PY  - 2010///
CY  - Boston : 
PB  - McGraw-Hill Higher Education, 
KW  - Operating Systems Computers
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-0-07-016454-3.pdf
ER  -