지식채널 e - 317 회 (델리모션-1) - 03/16/17
"감시 사회"

델리모션-1 - http://www.dailymotion.com/embed/video/k2pfOEhBvv0CPEma7iL


Oload-1 - http://openload.co/embed/bZb9PzDD8nI


Oload-2 - http://openload.co/embed/xV7h3SOeLqU/