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Christian Langer

Dr. Christian Langer promovierte bei Prof. Dr. Jï¿½rgen Weber am Lehrstuhl fï¿½r Betriebswirtschaftslehre, insbesondere Controlling und Telekommunikation, der Wissenschaftlichen Hochschule fï¿½r Unternehmensfï¿½hrung (WHU) in Vallendar.

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