EthiopiaLand Resources Division, Ministry of Overseas Development, 1978 - 274 strani |
Vsebina
Agriculture | 1 |
Animal science | 19 |
Botany | 47 |
Climatology | 59 |
Crops | 65 |
Cultural studies | 83 |
Economics | 105 |
Forestry | 125 |
Geoscience | 131 |
Land tenure and reform | 203 |
Maps | 213 |
Miscellaneous | 227 |
Natural resources | 249 |
Population | 257 |
Soil science | 264 |
Water resources | 269 |