Gray, J. A. (2002). Forest concession policies and revenue systems: Country experience and policy changes for sustainable tropical forestry. Washington, D. C: The World Bank.
Styl ChicagoGray, John A. Forest Concession Policies and Revenue Systems: Country Experience and Policy Changes for Sustainable Tropical Forestry. Washington, D. C: The World Bank, 2002.
Citace podle MLAGray, John A. Forest Concession Policies and Revenue Systems: Country Experience and Policy Changes for Sustainable Tropical Forestry. Washington, D. C: The World Bank, 2002.
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