Lecture12 (IS415) (Control&Security).pdf IS 415 - Lecture 9 (Networking&Internet).pdf IS 415 - Lecture 7 (Distr. systesm)(new version).pdf Lecture 8 (IS415) (Change Manag).pdf Lecture 10 (IS415) (OSi Model).ppt.pdf Lecture 11 (IS415) Managerial(DecisonMaking).pdf Lecture 6 (IS415) (Managing data).pdf