The natural resources position of the Philippines
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[place of publication not identified]
[publisher not identified]
1968.
|
| Gaiak: |
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[place of publication not identified]
[publisher not identified]
1968.
|
| Gaiak: |