Vierteljahrshefte zur Wirtschaftsforschung, Vol. 88 (2019), Iss. 3 : pp. 43–65 | First published online: December 06, 2019
Der Betriebswirt, Vol. 58 (2017), Iss. 1 : pp. 21–24 | First published online: May 13, 2019
