Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45621&t=%EC%84%B1%EC%86%8C%EC%88%98%EC%9E%90%EB%93%A4%EC%9D%98%20%EA%B3%B5%EA%B0%84%20%EC%A0%84%EC%9C%A0%EC%99%80%20%EC%BB%A4%EB%AE%A4%EB%8B%88%ED%8B%B0%20%EB%A7%8C%EB%93%A4%EA%B8%B0%20%20
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45621&text=%EC%84%B1%EC%86%8C%EC%88%98%EC%9E%90%EB%93%A4%EC%9D%98%20%EA%B3%B5%EA%B0%84%20%EC%A0%84%EC%9C%A0%EC%99%80%20%EC%BB%A4%EB%AE%A4%EB%8B%88%ED%8B%B0%20%EB%A7%8C%EB%93%A4%EA%B8%B0%20%20
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45621/9095
[6] http://www.si.re.kr/studies_on/18533