Çѱ¹Á¤´ç¼º°Ý Á¤½Å°èº¸ Çѱ¹±¹¼öÁÖÀÇÁ¤Ä¡·Ð [1] [2] [3] ±¹Ã¼¹ÎÁÖÁÖÀÇ ±¹°¡½Å¼ºÃ¼ Á¦±¹¿¬¹æÁ¦ ȲÁ¦¸í¿¹ÅëÀÏ Á¦±¹Á¤Ä¡µµ ¹ÎÁ·»ç»óÁ¶»ç