The Philippines recommends for small water impounding projects.

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Philippine Council for Agriculture and Resources Research and Development
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Los Banos, Laguna PCARRD 1985
Sraith:PCARRD technical bulletin series 61
Ábhair: