AdSense Korea Publisher Seminar (6/20/2007) Introduction 출처: http://www.youtube.com/watch?v=YGBavT8z4EQ Case Study (qaos.com) 출처: http://www.youtube.com/watch?v=2BrJ2jv3tOg Optimization Tips 출처: http://www.youtube.com/watch?v=LGi0t78PNFQ