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.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Fformat: Llyfr
Iaith:Undetermined
Cyhoeddwyd: New York The Macmillan Comapny 1918
Pynciau:
Tagiau: Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ