Hellow guys, Welcome to my website, and you are watching [클래스 온 S2] 과학의 달 특집 2부, 국가과학기술연구회 - 김영식 / 국가과학기술연구회 이사장. and this vIdeo is uploaded by YTN 사이언스 at 2025-04-23T22:00:51-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
