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Home Systeemdenken Systeemdenken volgens Brian Tracy
Systeemdenken volgens Brian Tracy

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Small differences in your [system] performance can lead to large differences in your results.

Brian Tracy

Laatst aangepast op dinsdag, 08 mei 2018 08:11  

The artist is nothing without the gift, but the gift is nothing without work.

Emile Zola

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