Research methods | Number of/papers | Weights% |
Qualitative methods | 107 | 94.7 |
General analysis or presentation | 96 | 84.9 |
Comparative analysis | 5 | 4.4 |
Literature review | 1 | 0.8 |
Case study | 5 | 4.4 |
Quantitative methods | 6 | 5.3 |
Empirical analysis | 6 | 5.3 |
Total | 113 | 100.0 |