Christian Doctrine of the Divine AttributesHermann Cremer, Robert B. Price, Helmut Burkhardt, Matthias Gockel · First published 2016Open the Tome
Sprache im KulturkontextAlicja Nagórko, Hanna Burkhardt, Robert Hammel, Marek Łaziński · First published 2012Open the Tome
Reputation Management in Small and Medium-Sized Enterprises Analysis and Evaluation of the Use of Reputation Management a Survey of Small and MediumRobert Burkhardt · First published 2008Open the Tome
