An hour saved at the non-bottleneck is a mirage.
Eliyahu M. Goldratt
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful. Albert Einstein |
To Sell is Human Bij Bol.com of Managementboek.nl |
Dagstarts en Hoshin Kanri Bij Bol.com | Managementboek |