Berg, A. (1973). The nutrition factor: Its role in national development. Brookings Institution.
Tohutoru Kātū Chicago (17th ed.)Berg, Alan. The Nutrition Factor: Its Role in National Development. Washington, D.C: Brookings Institution, 1973.
Tohutoro MLA (9th ed.)Berg, Alan. The Nutrition Factor: Its Role in National Development. Brookings Institution, 1973.
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