Schmookler, J. (1966). Invention and economic growth. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmookler, Jacob. Invention and Economic Growth. Harvard University Press, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchmookler, Jacob. Invention and Economic Growth. Harvard University Press, 1966.
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