United Nations Department of Economic and Social Affairs. (1974). Journal of development planning. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Department of Economic and Social Affairs. Journal of Development Planning. New York: United Nations, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations Department of Economic and Social Affairs. Journal of Development Planning. United Nations, 1974.
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