Engineering industry
Engineering industry
/ United Nations Industrial Development Organization
- New York: United Nations, 1969
- xii, 139p.
- United Nations Industrial Development Organization 4 .
Economic development projects--Cost effectiveness
Industrial development
338.924(1-77)(082.2) / K9.4
Economic development projects--Cost effectiveness
Industrial development
338.924(1-77)(082.2) / K9.4