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1
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Ciudad Guayana (Venezuela) -- Economic conditions. / https://id.loc.gov/authorities/names/n82005791 https://id.loc.gov/authorities/subjects/sh99005736 : McGinn, Noel F.,
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1969
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1
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2
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Ciudad Guayana (Venezuela) -- Social conditions. / https://id.loc.gov/authorities/names/n82005791 https://id.loc.gov/authorities/subjects/sh2001008850 : Peattie, Lisa Redfield.
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1968
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1
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