- vom 14.12.2018

- vom 26.7.2016
Ontology-based representation of abstract optimization models for model formulation and system generation
Elektronische Ressource, Paderborn, 2016
- vom 16.12.2015

- vom 28.7.2015
On the activating power of gamification - empirical evidence from an online community
kumulative Dissertation2015
- vom 4.11.2013

- vom 30.7.2013

