Ritically discuss the change management models using examples from different organisations to support your argument

Genreal flow of assignment
-what is change management
-look at different models
-about four, namely kotter 8 step, prosci, 7s matrix, and kuble-ross five stage model.
-show advantages and disadvantages
-support these four models with different examples from organisations (google, british airways,tesco)
-conclude with there is no one model that is perfect. each has drawback s as can be seen from the examples.