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3. Geography: Coordinating Element in Secondary Social Studies
4. Freeman, O.W and Morris, J.W. 1952.World Geography352New York However, there are occasional pleonasms in textbooks, as for example
5. Miller, E.W and Renner, G.T. 1959.Global Geography89New York East of the Syr Darya River, but … China's rivers Hwang Ho …