Bundtzen, Henning. “Adapting Herzberg’s Motivation-Hygiene Theory to a VUCA World – A Repertory Grid Study”. European Journal of Economics and Business Studies 7, no. 1 (December 12, 2020): 99–115. Accessed November 30, 2025. https://revistia.com/index.php/ejes/article/view/2768.