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1by Zapata, FranciscoSubjects: “…Industrias minerales Política gubernamental Bolivia Historia.…”
Published 1992
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2Published 1993Subjects: “…Industrias agropecuarias Política gubernamental Ecuador.…”
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3by Arellano-Yanguas, JavierSubjects: “…Industrias minerales 427025 Política gubernamental Peru…”
Published 2011
Book