Na tému dosahovanie cieľov so sivou obálkou knihy o motivácii a sebarozvoji od autora Richard Koch

How anyone can be more effective with less effort by learning how to identify and leverage the 80/20 principle—the well-known, unpublicized secret that 80 percent of all our results in business and in life stem from a mere 20 percent of our efforts...

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  20,92 €

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