Hellow guys, Welcome to my website, and you are watching [초등(저학년)] 2차시 - 스마트폰 과의존과 사회성 발달. and this vIdeo is uploaded by 한국지능정보사회진흥원 스마트쉼센터 at 2024-01-24T22:36:21-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
