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United Nations Environment Programme ,  [Sub-regional Workshop for Commonwealth Countries of Eastern and Southern Africa: Workshop Report] ,  Sub-regional Workshop for Commonwealth Countries of Eastern and Southern Africa: Workshop Report

United Nations Environment Programme ,  [Environmental Guidelines for Irrigation in Arid and Semi-Arid Areas - UNEP Environmental Management Guidelines No. 2] ,  Environmental Guidelines for Irrigation in Arid and Semi-Arid Areas - UNEP Environmental Management Guidelines No. 2

United Nations Environment Programme ,  [Desertification Control Bulletin Number 32, 1998: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 32, 1998: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 16, 1988: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 16, 1988: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 18, 1990] ,  Desertification Control Bulletin Number 18, 1990

United Nations Environment Programme ,  [Desertification Control Number 7, December 1982] ,  Desertification Control Number 7, December 1982

United Nations Environment Programme ,  [Desertification Control Bulletin Number 11, December 1984 - A Bulletin of World Events in the Control of Deserts, Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 11, December 1984 - A Bulletin of World Events in the Control of Deserts, Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 17, 1988: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 17, 1988: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 29, 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 29, 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Number 10, May 1984: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Number 10, May 1984: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation