
Small differences in your [system] performance can lead to large differences in your results.
Brian Tracy
mei
08
2018

Small differences in your [system] performance can lead to large differences in your results.
Brian Tracy
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Vooruitgang is de kunst om orde te handhaven te midden van verandering en verandering te behouden te midden van orde. Alfred Whitehead |
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Bij Bol.com | Managementboek
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