Land and Life: Vanishing land and water; Soil and water conservation in dry lands/
Chleq, Jean-Louis.-
Land and Life: Vanishing land and water; Soil and water conservation in dry lands/ Jean-Louis Chleq and Hugues Dupriez - Hong Kong; Macmilla publishers, c1988. - vi,117p.; ill. 28CM
033344597X
Africa--Sahel --Water conservation --Arid regions agriculture --Water-supply engineering
631.7 CHL
Land and Life: Vanishing land and water; Soil and water conservation in dry lands/ Jean-Louis Chleq and Hugues Dupriez - Hong Kong; Macmilla publishers, c1988. - vi,117p.; ill. 28CM
033344597X
Africa--Sahel --Water conservation --Arid regions agriculture --Water-supply engineering
631.7 CHL