
In complex systems, malfunction and even total nonfunction may not be detectable for long periods. if ever.
John Gall
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juli
31
2020

In complex systems, malfunction and even total nonfunction may not be detectable for long periods. if ever.
John Gall
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If you want to improve how you manage time - stop doing what doesn't need to be done! Peter Drucker |
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De kracht van de roze bril Bij Bol.com | Managementboek |