Table 6.
Number of methods and applications in the articles.
| No. of Methods | No. of Articles | No. of Applications |
|---|---|---|
| 1 | 36 | 36 |
| 2 | 16 | 32 |
| 3 | 12 | 36 |
| 4 | 1 | 4 |
| Total | 65 | 108 |
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