Provide an evidence with a cited reference of the following:

The Kbler-Ross Change Curve model, also known as the five stages of grief, is not just a psychological concept but a powerful tool in business change management. Initially developed to explain the process of dealing with grief, it has been widely adopted in our field. This model suggests that people go through five distinct stages of emotions when faced with change: denial, Anger, Bargaining, Depression, and Acceptance.