Small-scale mining in the developing countries.
Material type:
TextSeries: Document (United Nations) ; ST/ECA/155Publication details: New York, United Nations, 1972.Subject(s): DDC classification: - 300/.8 s 338.2/09172/4
- JX1977 .A2 ST/ECA/155
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"United Nations publication. Sales no.: E.72.II.A.4."
Bibliography: p. 158-166.
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