Higgins, B. H. (1959). Economic development: Principles, problems and policies. Norton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHiggins, Benjamin Howard. Economic Development: Principles, Problems and Policies. New York: Norton, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHiggins, Benjamin Howard. Economic Development: Principles, Problems and Policies. Norton, 1959.
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