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1دورية أكاديمية
المؤلفون: Mitchell, George E.
المصدر: VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations: Official journal of the International Society for Third-Sector Research. February 2014 25(1):67-91
المؤلفون: Mitchell, George E.
المصدر: VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations: Official journal of the International Society for Third-Sector Research. February 2014 25(1):67-91