Roland Conrady教授
Roland Conrady has been a professor at the Department of Tourism and Transport at Worms University of Applied Sciences since 2002. His research and teaching... Read More
专家访谈:DER Touristik Group
采访人: Roland Conrady教授, 嘉宾: Klaus-Ulrich Sperl
专家访谈:温德姆酒店集团
采访人: Roland Conrady教授, 嘉宾: 黄俊安
专家访谈: 国际航空运输协会
采访人: Roland Conrady教授, 嘉宾: Conrad Clifford