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Soviet agricultural and peasant affairs
Laird, Roy D., (1964)
Major uses of land and water in the United States : with special reference to agriculture ; summary for 1959
Wooten, Hugh H., (1962)
Land and water use : a symposium pres. at the Denver meeting of the American Association for the Advancement of science, 27-29 Dec. 1961
Thorne, Whynne, (1963)
A study of agricultural regions in South Korea
Lee, Chung-myun, (1970)
Population movement of Korea : international movement
Lee, Chung-myun, (1963)
Population increase in Korea: Its possible solution
Im, Tae-bin, (1964)