Não informado. (1990). International economic insights. Institute for International Economics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Economic Insights. Washington: Institute for International Economics, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Economic Insights. Institute for International Economics, 1990.
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