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Soil conservation in developing countries : project and policy intervention / Jock R. Anderson, Jesuthason Thampapillai.
- 333.7616091724 A5451
- Anderson, Jock R., 1941-
- World Bank,
- 1990.
- Washington, D.C. :
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One earth, one future : our changing global environment / by Cheryl Simon Silver with Ruth S. DeFries.
- 363.7 S5871o
- Silver, Cheryl Simon.
- National Academy Press,
- 1990.
- Washington, D.C. :