Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F60881&t=18%EB%85%84%20%EC%84%9C%EC%9A%B8%20%EB%B2%95%EC%9D%B8%EC%B0%BD%EC%97%85%2032%2C602%EA%B0%9C%2C%20%EB%B0%94%EC%9D%B4%EC%98%A4%EB%A9%94%EB%94%94%EC%BB%AC%C2%B7%EB%85%B9%EC%83%89%C2%B7%EB%94%94%EC%9E%90%EC%9D%B8%20%ED%81%AC%EA%B2%8C%20%EC%83%81%EC%8A%B9
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F60881&text=18%EB%85%84%20%EC%84%9C%EC%9A%B8%20%EB%B2%95%EC%9D%B8%EC%B0%BD%EC%97%85%2032%2C602%EA%B0%9C%2C%20%EB%B0%94%EC%9D%B4%EC%98%A4%EB%A9%94%EB%94%94%EC%BB%AC%C2%B7%EB%85%B9%EC%83%89%C2%B7%EB%94%94%EC%9E%90%EC%9D%B8%20%ED%81%AC%EA%B2%8C%20%EC%83%81%EC%8A%B9
[4] http://www.sdi.re.kr/si_download/60881/22929
[5] http://www.sdi.re.kr/paper