Sökresultat - "Natural resources/water series ;"

Ground water in North and West Africa /

“…Natural resources/water series ;…”

The use of non-conventional water resources in developing countries /

“…Natural resources/water series ;…”

Non-conventional water resources use in developing countries : proceedings of the interregional seminar, Willemstad, Curacao, Netherlands Antilles, 22-28 April 1985.

“…Natural resources/water series ;…”

Efficiency and distributional equity in the use and treatment of water: guidelines for pricing and regulations/ av United Nations., Department of International Economic and Social Affairs

“…Natural resources/water series;…”