Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40892&t=%EC%A7%80%EC%97%AD%ED%95%A0%EB%8B%B9%20%EB%B0%A9%EC%8B%9D%EC%9D%84%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EC%A7%80%EC%9E%90%EC%B2%B4%EC%9D%98%20%EC%98%A8%EC%8B%A4%EA%B0%80%EC%8A%A4%20%EB%B0%B0%EC%B6%9C%EB%9F%89%20%EC%A0%84%EB%A7%9D%3A%20%EC%97%90%EB%84%88%EC%A7%80%EB%B6%80%EB%AC%B8%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40892&text=%EC%A7%80%EC%97%AD%ED%95%A0%EB%8B%B9%20%EB%B0%A9%EC%8B%9D%EC%9D%84%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EC%A7%80%EC%9E%90%EC%B2%B4%EC%9D%98%20%EC%98%A8%EC%8B%A4%EA%B0%80%EC%8A%A4%20%EB%B0%B0%EC%B6%9C%EB%9F%89%20%EC%A0%84%EB%A7%9D%3A%20%EC%97%90%EB%84%88%EC%A7%80%EB%B6%80%EB%AC%B8%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.si.re.kr/taxonomy/term/15701
[5] http://www.si.re.kr/si_download/40892/6856
[6] http://www.si.re.kr/studies_on/15701