Hellow guys, Welcome to my website, and you are watching [정성은설득컴세미나] (제1강) 다산 정약용 선생님과 제자 산석간의 대화. and this vIdeo is uploaded by 정성은설득컴세미나 at 2020-02-28T00:00:38-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
