#리더의스피치,#말하기노하우, 강성곤교수,Leader's Speech, Speaking Know-how, Kang Seong-go...

리더의스피치,말하기노하우, 강성곤교수,Leader's Speech, Speaking Know-how, Professor Kang Seong-gon, 전KBS아나운서,강남경제인포럼,@우리들TV

https://youtu.be/W6jJ0I5KxFg