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Peter Drucker

Peter Ferdinand Drucker was an Austrian-born American management consultant, educator, and author, whose writings contributed to the philosophical and practical foundations of the modern business corporation.

Idézetek

Вадим Мазурidézettelőző év
First find the facts
Вадим Мазурidézettelőző év
He insists that people who voice an opinion also take responsibility for defining what factual findings can be expected and should be looked for.
Вадим Мазурidézettelőző év
the question is not
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