1 한국과학기술원 조천식녹색교통대학원
2 한국교통연구원 물류연구본부
1
The Cho Chun Shik Graduate School of Green Transportation, Korea Advanced Institute of Science and Technology 
2
Department of Logistics Research, The Korea Transport Institute JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/