Ecological principles and environmental issues
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Argitaratua: |
Harlow, England
Prentice Hall
c2000.
|
| Gaiak: |
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Argitaratua: |
Harlow, England
Prentice Hall
c2000.
|
| Gaiak: |