Introduction to Cryptography and Network Security
Behrouz A. Forouzan
Naturally Clean
Jeffrey Hollender & Geoff Davis
African Communication Systems and the Digital Age
Eno Ime (University of Namibia) Akpabio
Bioinformatics
Andreas D. Baxevanis & Gary D. Bader & David S. Wishart
Encyclopedia of Communication Theory
Stephen W. Littlejohn & Karen A. Foss