Hellow guys, Welcome to my website, and you are watching [뉴탐스런 지구과학I ] 31강 환경 오염의 발생과 피해(1) ( 박남정 ). and this vIdeo is uploaded by EBSi at 2016-01-07T01:40:33-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
