United Nations Centre for Regional Development. Africa Office, Aklilu Kidanu, & Kumssa, A. (2001). Social development issues in Africa. United Nations Centre for Regional Development, Africa Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Centre for Regional Development. Africa Office, Aklilu Kidanu, और Asfaw Kumssa. Social Development Issues in Africa. Nairobi, Kenya: United Nations Centre for Regional Development, Africa Office, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations Centre for Regional Development. Africa Office, et al. Social Development Issues in Africa. United Nations Centre for Regional Development, Africa Office, 2001.
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