(1980). Evaluating social action projects: Principles, methodological aspects, and selected examples. Unesco.
Chicago Style (17. basım) AtıfEvaluating Social Action Projects: Principles, Methodological Aspects, and Selected Examples. Paris: Unesco, 1980.
MLA (9th ed.) AtıfEvaluating Social Action Projects: Principles, Methodological Aspects, and Selected Examples. Unesco, 1980.
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