Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40390&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%ED%99%94%EB%AC%BC%ED%86%B5%ED%96%89%EB%A7%9D%EC%9D%84%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%ED%99%94%EB%AC%BC%EC%B0%A8%20%ED%86%B5%ED%96%89%EC%9A%B0%EB%8C%80%EC%A0%95%EC%B1%85%20%ED%9A%A8%EA%B3%BC%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40390&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%ED%99%94%EB%AC%BC%ED%86%B5%ED%96%89%EB%A7%9D%EC%9D%84%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%ED%99%94%EB%AC%BC%EC%B0%A8%20%ED%86%B5%ED%96%89%EC%9A%B0%EB%8C%80%EC%A0%95%EC%B1%85%20%ED%9A%A8%EA%B3%BC%EB%B6%84%EC%84%9D
[4] http://www.sdi.re.kr/taxonomy/term/15659
[5] http://www.sdi.re.kr/si_download/40390/6358
[6] http://www.sdi.re.kr/studies_on/15659