A bibliometric based review on social entrepreneurship and its establishment as a field of research
Wuppertal : Bergische Univ. Wuppertal, 2013
Discussing social business innovations
an interview with Professor Muhammad YunusWuppertal : Bergische Universität Wuppertal, [2018]Open Innovation in kleinen und mittleren Unternehmen
theoretische Grundlagen und praktische GestaltungsmöglichkeitenWuppertal, September 2022Time to BRIC it?
Internationalization of European family firms in Europe, North America and the BRIC countriesWuppertal : Bergische Univ. Wuppertal, 2013