${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_r\text{e}\text{f}\text{e}\text{r}\text{s}to\text{a}\text{c}\text{o}\text{m}\text{p}\text{u}\text{t}\text{e}\text{r}-\text{b}\text{a}\text{s}\text{e}\text{d}\text{p}\text{r}\text{o}\text{g}\text{r}\text{a}\text{m}\text{u}\text{s}\text{e}\text{d}\text{f}\text{o}\text{r}\text{i}\text{n}\text{v}\text{e}\text{n}\text{t}\text{o}\text{r}\text{y}\text{c}\text{o}\text{n}\text{t}\text{r}\text{o}\text{l}\text{a}\text{n}\text{d}\text{p}\text{r}\text{o}\text{d}\text{u}\text{c}\text{t}\text{i}\text{o}\text{n}\text{p}\text{l}\text{a}\text{n}\text{n}\text{i}\text{n}\text{g}\text{.}}$

Answer

Unselected

Enterprise resource planning

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Just$-in-$time inventory

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Materials requirement planning

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Statistical process control