| Subject |
|---|
| research [82] |
| research investigation [1] |
| resilience [319] |
| resource management [978] |
| resource management--case studies [23] |
| resource management--economics [8] |
| resource management--history [11] |
| revolutionary movements [6] |
| riparian rights [24] |
| risk--research [1] |
| river basins--history [3] |
| rivers [60] |
| roads [22] |
| rules [119] |
| rules--case studies [2] |
| rural affairs [132] |
| rural development [137] |
| Rural Development [1] |
| rural infrastructure [3] |
| Samburu (African people) [1] |