hierarchical
| group divisible design
| hierarchical | |
| gen. | hierarchiczny |
| group divisible design | |
| math. | układ grup podzielnych |
| |||
| hierarchiczny | |||
|
hierarchical : 11 phrases in 4 subjects |
| Automatic control | 3 |
| Mathematics | 4 |
| Microsoft | 3 |
| Radio | 1 |