Conférence de Madagascar sur la conservation des ressources naturelles au service du développement, Antananarivo du 4 au 12 Novembre 1985
Vanishing land and water : soil and water conservation in dry lands Author(s) Chleq, Jean-Louis Dupriez, Hugues
Desertification and development : dryland ecology in social perspective Author(s) Spooner, Brian Mann, H. S.
From soil conservation to land husbandry : guidelines based on SIDA's experience Author(s) Lundgren, Lill Taylor, Geoff
