lohr, v. (1974). problems of determining the role of agriculture in the development of national economy and society. the institute of national planning.
Chicago-viite (17. p.)lohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. cairo: the institute of national planning, 1974.
MLA-viite (9. p.)lohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. the institute of national planning, 1974.
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