The foundations of national prosperity : Studies in the conservation of permanent national resources

Conservation and economic theory; Conservation and economic evolution; Conservation of certain mineral resources; Conservation of human resources.

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Bibliografische gegevens
Formaat: Boek
Taal:Undetermined
Gepubliceerd in: New York The Macmillan Comapny 1918
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Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ