Nelson, R. R. (1969). Technology economic growth and public policy. The Brookings Institution.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNelson, Richard R. Technology Economic Growth and Public Policy. The Brookings Institution, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNelson, Richard R. Technology Economic Growth and Public Policy. The Brookings Institution, 1969.
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