انتحار الغربريتشارد كوخ
Richard Koch
- Format
Livres de Richard Koch
- Das 80/20-Prinzip: Mehr Erfolg mit weniger AufwandRichard Koch
- The 80/20 Principle and 92 Other Powerful Laws Nature: The Science of SuccessRichard Koch
- The Financial Times Guide to Strategy: How to create, pursue and deliver a winning strategy, 5th EditionRichard Koch
- Superconnect: Harnessing the Power of Networks and the Strength of Weak LinksRichard Koch
- Reguła 80/20. Zasada, która odmienia światRichard Koch
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