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1.
Water : a looming crisis : International Conference on World Water Resources at the Beginning of the 21st Century (UNESCO, Paris, 3-6 June 1998)

by Zebidi, H. -- International Hydrological Programme -- International Conference on Water :a Looming Crisis (1998 : Paris, France).

Source: Technical documents in hydrology. Publisher: Paris : UNESCO, 1998Availability: No items available
2.
Soil and groundwater pollution from agricultural activities : learning material

by -- International Hydrological Programme

Source: Technical documents in hydrology. Publisher: Paris : UNESCO, 1998Availability: No items available
3.
Ground water in rural water supply : report of the West African Sub-Regional Workshop held in Accra, Ghana, 20-24 October 1986

by -- International Hydrological Programme; Unesco -- Workshop on Groundwater in Rural Water Supply (1986 : Accra, Ghana).

Source: Technical documents in hydrology. Publisher: Paris : Unesco, 1988Other title: Report of the West African Subregional Workshop on Groundwater in Rural Water Supply.Availability: No items available
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