Koff, S. Z. (1988). Health systems agencies: A comprehensive examination of planning and process. Human Sciences Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKoff, Sondra Z. Health Systems Agencies: A Comprehensive Examination of Planning and Process. New York, NY: Human Sciences Press, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKoff, Sondra Z. Health Systems Agencies: A Comprehensive Examination of Planning and Process. Human Sciences Press, 1988.
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