Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F61755&t=%EC%A7%80%EC%97%AD%EB%B3%84%20%EC%83%81%EC%86%8D%EC%9D%98%ED%96%A5%20%EC%B0%A8%EC%9D%B4%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F61755&text=%EC%A7%80%EC%97%AD%EB%B3%84%20%EC%83%81%EC%86%8D%EC%9D%98%ED%96%A5%20%EC%B0%A8%EC%9D%B4%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/23634
[5] http://www.sdi.re.kr/si_download/61755/24307
[6] http://www.sdi.re.kr/studies_on/23634