Hellow guys, Welcome to my website, and you are watching [KRISS 표준백과사전] 제9화 뉴턴의 사과나무가 한국에 있다?!. and this vIdeo is uploaded by 한국표준과학연구원 KRISS at 2023-03-31T00:15:23-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
