“사업 개발(Business Development) 이해” 박성혁님의… 2020/04/21 – Posted in: 낙서

http://www.youtube.com/watch?v=HcWNWE5_A7s&feature=youtu.be “사업 개발(Business Development) 이해” https://www.facebook.com/5throck 박성혁님의 강연