2006-06-16 한글의 기본 http://www.alc.co.jp/korea/study/web/web01.html#pt01http://www.seoulnavi.com/home/home_study.htmlhttp://www.konest.com/data/study_korean_detail.html?no=119http://homepage3.nifty.com/tamtan/sakusaku/3_1.htm