Categorization of reviewed studies based on research focus
| Research focus area | Number of studies | Approximate share (%) |
|---|---|---|
| Industry 4.0 and Circular Economy | 589 | 85% |
| Industry 4.0 and HRM | 104 | 15% |
| Circular Economy and HRM | 43 | 6% |
| Research focus area | Number of studies | Approximate share (%) |
|---|---|---|
| Industry 4.0 and Circular Economy | 589 | 85% |
| Industry 4.0 and HRM | 104 | 15% |
| Circular Economy and HRM | 43 | 6% |
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