ZfKE – Zeitschrift für KMU und Entrepreneurship, Vol. 70 (2022), Iss. 3-4 : pp. 243–252 | First published online: March 17, 2023
ZfKE – Zeitschrift für KMU und Entrepreneurship, Vol. 72 (2024), Iss. 2 : pp. 101–106 | First published online: April 07, 2025
Vierteljahrshefte zur Wirtschaftsforschung, Vol. 82 (2013), Iss. 4 : pp. 45–56 | First published online: October 03, 2017
