http://www.youtube.com/watch?v=5xpDlZZIyDQ&feature=player_detailpage#t=109s
ك كريم مصطفى مشرف برنامج Erdas Imagine 13 يوليو 2011 #1 http://www.youtube.com/watch?v=5xpDlZZIyDQ&feature=player_detailpage#t=109s