Stern, Peter H.
Small scale irrigation a manual of low cost-water technology - 1st ed. - London Intermediate Technology Publications 1979 - 152 p. ill.
0903031647
Irrigation Low Cost
627.52 / STE/1979
Small scale irrigation a manual of low cost-water technology - 1st ed. - London Intermediate Technology Publications 1979 - 152 p. ill.
0903031647
Irrigation Low Cost
627.52 / STE/1979