• Concentration is the key to economic results. No other principles of effectiveness is violated as constantly today as the basic principle of concentration.

  Peter F. Drucker
  American management consultant and writer 1909-2005
  

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Subjects in these quotes:

1. concentration
2. effectiveness
3. constantly
4. principle
5. today
6. basic

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Concentration is the key to economic results. No other principles of effectiveness is violated as constantly today as the basic principle of concentration. by : Peter F. Drucker

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