Table 4.
Frequency of unique outcomes.
| Unique Outcome | Frequency |
|---|---|
| Framework | 9 |
| Approach | 8 |
| Model | 7 |
| Case study | 5 |
| Method | 5 |
| Simulation | 5 |
| Literature review | 4 |
| Concept | 3 |
| Application | 3 |
| Exploratory | 2 |
| Tool | 2 |
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