least 4 academically reviewed articles on each management hierarchy. Summary the articles in your own

There are three levels of management hierarchy: strategic, managerial and operational. Part 1: Review at least 4 academically reviewed articles on each management hierarchy. Summary the articles in your own words. Part 2: Discuss how the three levels of management hierarchy: strategic, management, and operational relates to the mission of a business. Part 3: As an IT professional, how would you use information technology to improve the efficiency the three levels of management hierarchy? No plagiarism please. Answer should be unique. should be 450-500 words.