Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40882&t=%EC%9D%B8%EC%82%AC%EB%8F%99%20%EC%A0%95%EC%B2%B4%EC%84%B1%20%EC%9A%94%EC%86%8C%EB%A1%9C%EC%84%9C%20%EC%9A%A9%EB%8F%84%EC%9D%98%20%EB%B3%80%ED%99%94%EC%99%80%20%EA%B4%80%EB%A6%AC%EB%B0%A9%ED%96%A5%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40882&text=%EC%9D%B8%EC%82%AC%EB%8F%99%20%EC%A0%95%EC%B2%B4%EC%84%B1%20%EC%9A%94%EC%86%8C%EB%A1%9C%EC%84%9C%20%EC%9A%A9%EB%8F%84%EC%9D%98%20%EB%B3%80%ED%99%94%EC%99%80%20%EA%B4%80%EB%A6%AC%EB%B0%A9%ED%96%A5%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15700
[5] http://www.sdi.re.kr/si_download/40882/6846
[6] http://www.sdi.re.kr/studies_on/15700