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| Ecological and economic maturity of the forest (1) |
| Ecology (1) |
| Economics (1) |
| Environmental ripeness forests (1) |
| Forest certification (1) |
| Forest maturity (1) |
| Forestry (1) |
| The economic maturity of the forest (1) |
| Лесное хозяйство (1) |
| Лесопользование (1) |