Não informado. (1972). Development Co-operation: Efforts and policies of the members of the Development Assistance Committee. Organization for Economic Co-operation and Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Paris: Organization for Economic Co-operation and Development, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Organization for Economic Co-operation and Development, 1972.
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