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1دورية أكاديمية
المؤلفون: David, Martin H.
المصدر: Journal of Economic & Social Measurement; 2007, Vol. 32 Issue 4, p199-218, 20p, 1 Black and White Photograph, 1 Diagram, 7 Charts
مصطلحات موضوعية: EMPLOYMENT, NONPROFIT organizations, CHARITIES, MATHEMATICAL models of economics, MATHEMATICAL models, DATABASES