 |
| |||
| diffuse source Pollution which arises from various activities with no discrete source; diffuse source | |||
|
source de pollution diffuse : 5 do fraz, 2 tematyki |
| Ochrona środowiska | 3 |
| Zasoby naturalne i ochrona dzikiej przyrody | 2 |
|
| |||
| diffuse source Pollution which arises from various activities with no discrete source; diffuse source | |||
|
source de pollution diffuse : 5 do fraz, 2 tematyki |
| Ochrona środowiska | 3 |
| Zasoby naturalne i ochrona dzikiej przyrody | 2 |