How did Drucker decide which management principles are universally timeless?
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The Effective Executive

The Effective Executive
La discussion entre lecteurs est ouverte maintenant. Il s’agit d’une discussion communautaire.
How did Drucker decide which management principles are universally timeless?
Did anyone find the focus on self-awareness as crucial as Drucker suggests?
What was the most surprising or counterintuitive piece of advice in this book?