About LETTL Christopher
About Berlin Univ. Technol., Berlin, DEU
About HERSTATT Cornelius
About Hamburg Univ. Technol., Hamburg, DEU
About GEMUENDEN Hans Georg
About Berlin Univ. Technol., Berlin, DEU
About International Journal of Technology Management
About technological innovation
About medicine
About Management engineering in general
About Medical devines and supplies, medical instruments in general
About Marketing
About 学習