what are all the change strategies concepts analyzed in the case study answer using the following concepts in points Lewin's Change Management Model: Unfreeze, Change, and Refreeze. Kotter's 8 Step Change Model: This model proposes a step-by-step approach to change, including creating urgency, forming a powerful coalition, creating ADKAR Model: This model focuses on the people aspect of change, and it stands for Awareness, Desire, Knowledge, Ability, and Reinforcement