? ??: ??? ??? ???? | Jon Nguyen - a podcast by TED
from 2012-06-23T16:04:45
::
::
??? ???? ???? ?? ???? ???? ?????? ? ??? NASAJPL? "???? ?? ?"? ?????. ? ????? ?? ??? ?? ?? ??, ?, ??, ??? ????? ????? ??? ? ?? ?? ???????. (TEDx?????? ??)
Further episodes of TEDTalks 아동과 가족
Further podcasts by TED
Website of TED