Mineral resources development with particular reference to the developing countries.
Material type:
TextSeries: Document (United Nations) ; ST/ECA/123Publication details: New York, United Nations, 1970.Subject(s): DDC classification: - 300/.8 s 333.8/09172/4
- JX1977 .A2 ST/ECA/123
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"United Nations publication. Sales no.: E.70.II.B.3."
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