‡a
His Optimization of investment and benefits generated from the production of copper in the Andean Common Market countries, 1976
‡b
t.p. (José Angel Vargas Montana)
‡a
optimizationofinvestmentandbenefitsgeneratedfromtheproductionofcopperintheandeancommonmarketcountries
‡A
Optimization of investment and benefits generated from the production of copper in the Andean Common Market countries, 1976
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