| Activity | Teacher, n (%) | Total | ||
| Teacher 1 | Teacher 2 | Teacher 3 | ||
| Textbook | 13 (54.2) | 7 (46.7) | 14 (51.9) | 34 (51.5) |
| Teacher | 11 (45.8) | 8 (53.3) | 13 (48.1) | 32 (48.5) |
| Total | 24 (36.4) | 15 (22.7) | 27 (40.9) | 66 (100) |