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Chile's resource sectors : challenges and opportunities in the 1990s
Sohn, Ira - In: Natural resources forum : a United Nations sustainable … 17 (1993) 3, pp. 198-206
Persistent link: https://www.econbiz.de/10015153331
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The future of nonfuel minerals in the U.S. and world economy : input-output projections, 1980-2030
Koo, James C.M.; Nasar, Sylvia; Sohn, Ira; Leontief, … - 1983
Persistent link: https://www.econbiz.de/10000009827