7개국어 언어천재 조승연 “한국인,영어 공부할 때 안 될 짓만 골라서 한다” | jobsN : 네이버 블로그
http://m.blog.naver.com/jobarajob/220941849843
http://m.blog.naver.com/jobarajob/220941849843
http://www.businessinsider.com/former-ge-ceo-jack-welch-says-leaders-have-5-basic-traits-and-only-2-can-be-taught-2017-2
http://slds2.tistory.com/m/2493?dmp_channel=livingsense&dmp_id=288895
https://medium.freecodecamp.com/ivy-league-free-online-courses-a0d7ae675869#.h49rcai4a