Irrigation water management and the Bundala national park : proceedings of the workshop on water quality of the Bundala lagoons, held in Colombo, Sri Lanka, 03 April 1998 1998 Matsuno, Yutaka | van der Hoek, Wim | Ranawake, Mala |
Resources, actors and policies : towards sustainable regional development in the highland-lowland system of Mount Kenya 1998 Ojany, Francis F. | Wiesmann, Urs |
Sustainable use of water resources : development of methods for a sustainable use of surface and groundwater in a natural resource perspective. Project proposal 1990
Assessing desertification and water harvesting in the Middle East and North Africa : policy implications 1999 Nasr, Mamdouh |