The Foundations of national prosperity; studies in the conservation of permanent national resources,
में बचाया:
| अन्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
New York,
Johnson Reprint Corp.,
1971.
|
| श्रृंखला: | Series in American studies.
|
| विषय: |
विषय - सूची:
- Conservation and economic theory, by R. T. Ely
- Conservation and economic evolution, by R. H. Hess
- Conservation of certain mineral resources, by C. K. Leith
- Conservation of human resources, by T. N. Carver.