किसी संगठन में केंद्रीयकरण (Centralisation) मुख्य रूप से निम्नलिखित में से क्या सुनिश्चित करता है?

'Even where members of a department are very willing to cooperate and work together, coordination gives a direction to that willing spirit.' This statement emphasizes that coordination is:

The principle stating that an employee should receive orders from and be accountable to only one superior is called: