A system is a whole that cannot be divided into independent parts or subgroups of parts.
Russell Ackoff
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juni
03
2014
A system is a whole that cannot be divided into independent parts or subgroups of parts.
Russell Ackoff
Time is our most valuable asset, yet we tend to waste it, kill it, and spend it rather than invest it. Jim Rohn |
18 minuten Bij Managementboek.nl | Bol.com |