Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40448&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A0%95%EB%B6%80%EA%B0%84%20%EA%B4%80%EA%B3%84%28%E6%94%BF%E5%BA%9C%E9%96%93%20%E9%97%9C%E4%BF%82%29%EC%99%80%20%EC%A0%95%EB%B6%80%EA%B0%84%20%EA%B0%88%EB%93%B1%28%E6%94%BF%E5%BA%9C%E9%96%93%20%E8%91%9B%E8%97%A4%29%EC%97%90%20%EB%8C%80%ED%95%9C%20%EC%9D%B4%EB%A1%A0%EC%A0%81%20%EA%B3%A0%EC%B0%B0
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40448&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A0%95%EB%B6%80%EA%B0%84%20%EA%B4%80%EA%B3%84%28%E6%94%BF%E5%BA%9C%E9%96%93%20%E9%97%9C%E4%BF%82%29%EC%99%80%20%EC%A0%95%EB%B6%80%EA%B0%84%20%EA%B0%88%EB%93%B1%28%E6%94%BF%E5%BA%9C%E9%96%93%20%E8%91%9B%E8%97%A4%29%EC%97%90%20%EB%8C%80%ED%95%9C%20%EC%9D%B4%EB%A1%A0%EC%A0%81%20%EA%B3%A0%EC%B0%B0
[4] http://www.sdi.re.kr/taxonomy/term/15665
[5] http://www.sdi.re.kr/si_download/40448/6412
[6] http://www.sdi.re.kr/studies_on/15665