Multiple objective decision making for land, water, and environmental management : proceedings of the First International Conference on Multiple Objective Decision Support Systems (MODSS) for Land, Water and Environmental Management: Concepts, Approaches, and Applications /
Soils research in agroforestry : proceedings of an expert consultation held at International Council for Research in Agroforestry in Nairobi, Mar 26-30, 1979 / eds. H.O. Mongi and P.A. Huxley ; tech. ed. D. Spurgeon.
Donkeys, mules & horses in tropical agricultural development : proc of a Colloquium organ by the Edinburgh School of Agric & the Cent for Trop Vet Med of the Univ of Edinburgh & held in Edinburgh, Scotland, 3rd-6th Sept 1990.