https://blog.faceutil.com/2017/10/16/%ec%bb%b4%ed%93%a8%ed%84%b0%ec%99%80-%ea%b2%8c%ec%9e%84%ec%97%90-%eb%8c%80%ed%95%9c-%ec%b6%94%ec%96%b5-1-1988%eb%85%84-%ec%b2%98%ec%9d%8c-%eb%a7%8c%eb%82%9c-%ec%bb%b4%ed%93%a8%ed%84%b0-msx-%d0%b2/