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+keyword:("theorie")
The World transport policy & practice
Transportation : planning, policy, research, practice
European journal of transport and infrastructure research
Transport policy : journal of the World Conference on Transport Research Society
Transport policy : journal of the World Conference on Transport Research Society
Transportation research : an international journal
Transport policy : a journal of the World Conference on Transport Research Society
Transportation research : an international journal
Air University review : the professional journal of the US Air Force