[de] Führen mit Hirn Campus
[en] The 7 Hidden Reasons Employees Leave · How to Recognize the Subtle Signs and Act Before It's Too Late AMACOM/American Management Association
[en] Seven Hidden Reasons Employees Leave AMACOM/American Management Association
[en] Successful Onboarding · Strategies to Unlock Hidden Value Within Your Organization McGraw-Hill Education
[en] Hire the Right People and Win Big Van Allen