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United Nations Environment Programme ,  [Desertification Control Bulletin Number 35, 1999: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 35, 1999: 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 Bulletin Number 14 1987: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 14 1987: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 15, 1987: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 15, 1987: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Number 6, April 1982: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Number 6, April 1982: 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

United Nations Environment Programme ,  [Desertification Control Bulletin Number 13, 1986: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 13, 1986: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation Number 25] ,  Desertification Control Bulletin: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation Number 25

United Nations Environment Programme ,  [Hacking Economics for People and Planet - Foresight Brief No. 006 - February 2018] ,  Hacking Economics for People and Planet - Foresight Brief No. 006 - February 2018

United Nations Environment Programme ,  [Desertification Control Bulletin Number 30, 1997: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 30, 1997: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation