I found the answer but I need it with different ways and sources

Write an article about the roles of operation managers in organizations (300-500 words). Give interesting examples of their responsibilities in both the manufacturing and the service sectors (You may cite examples of their roles in Banking, Healthcare, Education, Retailing, Transportation etc.). Make sure to cite at least two references in your paper. Post your response on this Discussion Forum. Write in the text box. This should not be an attachment