Altschud, J. W., & Witkin, B. R. (2000). From needs assessment to action: Transforming needs into solution strategies (First edition.). Sage Publications, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAltschud, James W., और Belle Ruth Witkin. From Needs Assessment to Action: Transforming Needs into Solution Strategies. First edition. California: Sage Publications, Inc., 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAltschud, James W., और Belle Ruth Witkin. From Needs Assessment to Action: Transforming Needs into Solution Strategies. First edition. Sage Publications, Inc., 2000.
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