Hellow guys, Welcome to my website, and you are watching 건설업역 개편에 따른 강의 #제1편 건설산업기본법의 개요/국토교통부/건설산업 업역개편. and this vIdeo is uploaded by 산야초의 건설교육TV at 2020-12-23T22:37:30-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
