±¹³» ÃÖ°íÀÇ ºÎµ¿»ê°Å·¡Á¤º¸¸Á "RETS(·¿Ã÷)" - ½Å¼Ó Á¤È®ÇÑ ºÎµ¿»êÀ¯ÅëÁ¤º¸¸¦ Á¦°øÇϴµ¥ ÃÖ¼±À» ´ÙÇÏ°Ú½À´Ï´Ù.
RETS ¼³Ä¡ÇÏ±â   RETS ¼³Ä¡¹æ¹ý