Isn't It Obvious?
It's Not Luck
The Goal: A Process of Ongoing Improvement - 30th Anniversary Edition
It's Not Luck: Marketing, Production, and the Theory of Constraints
L'Obiettivo: Un processo di miglioramento continuo
Isn't it Obvious: Retailing and the Theory of Constraints
Das Ziel. Ein Roman über Prozessoptimierung. [The Goal. A Novel About Process Optimization.] (Unabridged)