References

  1. Maslow A, Stephens D, Heil G: Maslow on Management. New York, John Wiley and Sons, 1998.

  2. Nelson, B:  1001 Ways to Reward Employees. New York, Workman Publishing, 1994

  3. Rosenbluth, H:  The Customer Comes Second. New York, William Morrow and Company, 1992.

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