Water for rural communities : : helping people help themselves.
Briscoe, John.
Water for rural communities : : helping people help themselves. - Washington, D.C. : The World Bank, 1988. - 32 p.
59-20
5631
Agua--Abastecimiento rural.
Water for rural communities : : helping people help themselves. - Washington, D.C. : The World Bank, 1988. - 32 p.
59-20
5631
Agua--Abastecimiento rural.