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 |
 |
 |
 |
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|---|---|---|---|---|---|
| 1 | watershed environment | 流域環境 | |||
| 2 | regional drainage basin environment | 地域流域環境 | |||
| 3 | Study on Integrated Environmental Management for the Maritza River Basin, Bulgaria | マリッツァ川流域環境保全対策計画 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | watershed environment | 流域環境 | |||
| 2 | regional drainage basin environment | 地域流域環境 | |||
| 3 | Study on Integrated Environmental Management for the Maritza River Basin, Bulgaria | マリッツァ川流域環境保全対策計画 | |||
