Bicol framework plan Albay-Sorsogon basins.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Quezon City
NWRC
1983.
|
| Cyfres: | Report National Water Resources Council
no.24-5B |
| Pynciau: |