It is a very nice topic and i appreciate your effort made. I checked your presentation and really liked the article. I have also got some information and would like to share it with you. So i am uploading a document which contains the evolution and history of management thought.
Classification of Managing Thoughts in Several Educational institutions of Managing Theory.
-The Operational (Management Process) School
-The Empirical School
-The Human Relations or Human Behavior School
-The Social Systems School
-The Decision Theory School
