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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| Format: | Książka |
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| Język: | Undetermined |
| Wydane: |
New York
The Macmillan Comapny
1918
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| Hasła przedmiotowe: | |
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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