Applied Cryptography
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Using and Administering Linux: Volume 1
David Both
Linux® All-in-One For Dummies®, 6th Edition
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Practical Cyber Intelligence
Wilson Bautista
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain