Bicol framework plan Bicol river basins.

Sonraí bibleagrafaíochta
Údar corparáideach: National Water Resources Council
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Quezon City NWRC 1983.
Sraith:Report National Water Resources Council no. 24-5A
Ábhair: