Hansen, N. M. e. (1974). Public policy and regional economic development: The experience of nine western countries. Ballinger Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHansen, Niles M. ed. Public Policy and Regional Economic Development: The Experience of Nine Western Countries. Cambridge, Mass: Ballinger Pub, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHansen, Niles M. ed. Public Policy and Regional Economic Development: The Experience of Nine Western Countries. Ballinger Pub, 1974.
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