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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNATURAL Resources Information Systems for Rural Development: Approaches for Espirito Santo State, Brazil. Vitória, ES: INCAPER, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNATURAL Resources Information Systems for Rural Development: Approaches for Espirito Santo State, Brazil. INCAPER, 2001.
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