Deutsche Gesellschaft für Technische Zusammevarbeit (GTZ) GmbH & Federal [Government of Germany] Ministry for Economic Cooperation and Development. Sustainable economic development. GTZ.
Chicago Style (17. basım) AtıfDeutsche Gesellschaft für Technische Zusammevarbeit (GTZ) GmbH ve Federal [Government of Germany] Ministry for Economic Cooperation and Development. Sustainable Economic Development. [Philippines]: GTZ.
MLA (9th ed.) AtıfDeutsche Gesellschaft für Technische Zusammevarbeit (GTZ) GmbH ve Federal [Government of Germany] Ministry for Economic Cooperation and Development. Sustainable Economic Development. GTZ.
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