00683 a2200241 4500 149287 OSt 20211014145632.0 9781284055993 005.8 J63S Johnson, Robert Security policies and implementation issues by Robert Johnson 2nd ed. Burlington Jones & Bartlett Learning 2015 499p. Computer Science & Engineering Computer Science & Engineering Computer security Computer networks-Security measures Data protection ddc BK 13651 13651 0 0 ddc 0 0 TXB CURAJ CURAJ 2015-09-11 CSE 0.00 005.8 J63S 22948 2024-11-21 2020-09-02 BK