Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40362&t=%EB%8F%84%EC%8B%9C%EC%B2%A0%EB%8F%84%20%ED%99%98%EC%8A%B9%EC%A3%BC%EC%B0%A8%EC%9E%A5%EC%9D%98%20%EC%9D%B4%EC%9A%A9%ED%8A%B9%EC%84%B1%20%EB%B0%8F%20%EA%B0%9C%EC%84%A0%EB%B0%A9%EC%95%88
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40362&text=%EB%8F%84%EC%8B%9C%EC%B2%A0%EB%8F%84%20%ED%99%98%EC%8A%B9%EC%A3%BC%EC%B0%A8%EC%9E%A5%EC%9D%98%20%EC%9D%B4%EC%9A%A9%ED%8A%B9%EC%84%B1%20%EB%B0%8F%20%EA%B0%9C%EC%84%A0%EB%B0%A9%EC%95%88
[4] http://www.sdi.re.kr/taxonomy/term/15656
[5] http://www.sdi.re.kr/si_download/40362/6331
[6] http://www.sdi.re.kr/studies_on/15656