Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40880&t=%EC%A7%80%EC%97%AD%EA%B8%B0%EB%B0%98%20%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC%EC%9D%98%20%EA%B5%AC%EC%A1%B0%EC%A0%81%20%ED%8A%B9%EC%84%B1%EA%B3%BC%20%ED%9A%A8%EA%B3%BC%EC%84%B1%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40880&text=%EC%A7%80%EC%97%AD%EA%B8%B0%EB%B0%98%20%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC%EC%9D%98%20%EA%B5%AC%EC%A1%B0%EC%A0%81%20%ED%8A%B9%EC%84%B1%EA%B3%BC%20%ED%9A%A8%EA%B3%BC%EC%84%B1%20%EC%97%B0%EA%B5%AC
[4] http://www.si.re.kr/taxonomy/term/15700
[5] http://www.si.re.kr/si_download/40880/6844
[6] http://www.si.re.kr/studies_on/15700