Hellow guys, Welcome to my website, and you are watching [비즈니스모델] 수익모델을 만들때 고려되어야 할 요소, 물리적인 상품인가? 가상적인 상품인가? 규모의 경제와 네트워크효과. and this vIdeo is uploaded by 인터뷰어 은종성TV at 2020-09-15T14:00:01-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.