Bicol framework plan Albay-Sorsogon basins.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Quezon City
NWRC
1983.
|
| Saila: | Report National Water Resources Council
no.24-5B |
| Gaiak: |