| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | approaches to the study | 26 |
|
| 2 | approaches to the problem | 9 |
|
| 3 | approaches to the analysis | 8 |
|
| 4 | approaches to the subject | 7 |
|
| 5 | approaches to the teaching | 5 |
|
