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close this section of the libraryAgriculture Economic aspects Sudan.(2)
View the documentAgricultural development and expansion in the Nile Basin : programs, production, implications for U.S. agriculture / . Warren, Cline J. (Cline Jefferson), 1928- 4n Washington, D.C. : Economic Research Service, U.S. Dept. of Agriculture, 1968.
View the documentThe agricultural economy of the Sudan / . Warren, Cline J. (Cline Jefferson), 1928- 4n : Economic Research Service, U.S. Dept. of Agriculture, 1962.