Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40846&t=%EC%A7%80%EC%97%AD%20%EA%B0%84%20%EC%86%8C%EB%93%9D%EA%B2%A9%EC%B0%A8%EC%99%80%20%EC%A7%91%EC%A0%81%EC%9D%98%20%EA%B2%BD%EC%A0%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40846&text=%EC%A7%80%EC%97%AD%20%EA%B0%84%20%EC%86%8C%EB%93%9D%EA%B2%A9%EC%B0%A8%EC%99%80%20%EC%A7%91%EC%A0%81%EC%9D%98%20%EA%B2%BD%EC%A0%9C
[4] http://www.sdi.re.kr/taxonomy/term/15697
[5] http://www.sdi.re.kr/si_download/40846/6810
[6] http://www.sdi.re.kr/taxonomy/term/17063
[7] http://www.sdi.re.kr/taxonomy/term/17296
[8] http://www.sdi.re.kr/taxonomy/term/16949
[9] http://www.sdi.re.kr/studies_on/15697