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Channel / Source: TEDx Talks

Title: ë¬´ì¡´ìž¬ì˜ ì•”í‘ ìš°ì£¼ì—ì„œ ë¹›ë‚˜ëŠ” ì¡´ìž¬, ìš°ë¦¬ | Woongbae Jee | TEDxSogangU

Published: 2017-10-10

Source: https://www.youtube.com/watch?v=y6oMCDb4o-o