Economics of conservation : proceeding from a second workshop held in Manzini, Swaziland 28 Nov Dec 2, 1988 - 1990 - 219p. ill. 23cm. - SADCC Report; 23 . "Soil and Water Conservation and Land Utilization Sector" Subjects--Topical Terms: Soil conservationSADCC Region, Research LC Class. No.: IRA S912.S62S6 No. 23