Khan, A. J. (1969). Theory and Practice of Social Planning. Russel Sage Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKhan, Alfred J. Theory and Practice of Social Planning. Russel Sage Foundation, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKhan, Alfred J. Theory and Practice of Social Planning. Russel Sage Foundation, 1969.
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