Environmental specific rates and biases of technical change in agriculture
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[S.l.
s.n.
1991]
|
| Saila: | APEX working paper
no.4 |
| Gaiak: |