https://qooah.com/2011/12/11/%e7%8b%82%e8%b3%80-samsung-%e5%ae%a3%e4%bd%88-2011-%e5%b9%b4%e6%89%8b%e6%a9%9f%e9%8a%b7%e9%87%8f%e8%b6%85%e8%b6%8a-3-%e5%84%84%e9%83%a8-2/