lohr, v. (1974). trends of development and some topical problems in czechoslovak agriculture. the institute of national planning.
Chicago-referens (17:e uppl.)lohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. cairo: the institute of national planning, 1974.
MLA-referens (9:e uppl.)lohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. the institute of national planning, 1974.
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