Please help me with the following:

-incorporating evidence,how does one develop a successfully strategy for change and what are the barriers for change and how does one overcome them,

-what are essentials underpinnings for change in an organisation

-what is meant by Practice Gabs theory and what are the principles.

• Where can i get examination questions on Motivation, Change, Motivational theories, Decision making and problem solving

May you please help me ,Provide information, literature or website to get these information for myself and further reading, practice for examinations. Any question banks on Health Service Management applicationsquestions