Não informado. (2000). Global Environmental Research. Association of International Research Initiatives for Environmental Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Global Environmental Research. Tokyo: Association of International Research Initiatives for Environmental Studies, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Global Environmental Research. Association of International Research Initiatives for Environmental Studies, 2000.
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