Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40709&t=%5B%ED%8A%B9%EC%A7%91%3A%EB%8F%84%EC%8B%9C%EA%B5%90%ED%86%B5%5D%20%EC%88%98%EB%8F%84%EA%B6%8C%20%EB%8F%84%EC%8B%9C%EA%B3%A0%EC%86%8D%EB%8F%84%EB%A1%9C%20%EA%B8%B0%EB%8A%A5%20%EC%97%85%EA%B7%B8%EB%A0%88%EC%9D%B4%EB%93%9C%28up-grade%29%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EC%84%B8%20%EA%B0%80%EC%A7%80%20%EB%B0%A9%EC%95%88
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40709&text=%5B%ED%8A%B9%EC%A7%91%3A%EB%8F%84%EC%8B%9C%EA%B5%90%ED%86%B5%5D%20%EC%88%98%EB%8F%84%EA%B6%8C%20%EB%8F%84%EC%8B%9C%EA%B3%A0%EC%86%8D%EB%8F%84%EB%A1%9C%20%EA%B8%B0%EB%8A%A5%20%EC%97%85%EA%B7%B8%EB%A0%88%EC%9D%B4%EB%93%9C%28up-grade%29%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EC%84%B8%20%EA%B0%80%EC%A7%80%20%EB%B0%A9%EC%95%88
[4] http://www.si.re.kr/taxonomy/term/15688
[5] http://www.si.re.kr/si_download/40709/6673
[6] http://www.si.re.kr/taxonomy/term/17500
[7] http://www.si.re.kr/taxonomy/term/16657
[8] http://www.si.re.kr/taxonomy/term/17984
[9] http://www.si.re.kr/studies_on/15688