William Stallings

Computer security : principles and practice

Computer Organization and Architecture, Global Edition

Operating Systems

Computer Security

Cryptography and network security : principles and practice

Data and computer communications

Cryptography And Network Security : Principles And Practice, 3/e

Network security essentials : applications and standards

Operating systems : internals and design principles

Operating Systems

Computer organization and architecture : designing for performance

Data and computer communications

Network security essentials : applications and standards

Cryptography and Network Security

Operating systems : internals and design principles

Computer organization and architecture : designing for performance

Cryptography and network security : principles and practices

Computer security

Computer security

Data and Computer Communications

Cryptography and Network Security

Computer Organization and Architecture: Designing for PerformanceComputer Organization and Architecture: Designing for Performance, William Stallings

Network security essentials : applications and standards

Business data communications