Galenson,Walter, & Harviy Leibenstein. (1955). Investment Criteria, Productivity and Economic Development. Quarterly Journal of Eonomics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGalenson,Walter, और Harviy Leibenstein. Investment Criteria, Productivity and Economic Development. New Jersey: Quarterly Journal of Eonomics, 1955.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGalenson,Walter, और Harviy Leibenstein. Investment Criteria, Productivity and Economic Development. Quarterly Journal of Eonomics, 1955.
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