http://www.youtube.com/watch?feature=player_detailpage&v=gFbBB8Oy2As#t=10s
ك كريم مصطفى مشرف برنامج Erdas Imagine 21 يونيو 2011 #1 http://www.youtube.com/watch?feature=player_detailpage&v=gFbBB8Oy2As#t=10s