lohr, v. (1974). trends of development and some topical problems in czechoslovak agriculture. the institute of national planning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)lohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. cairo: the institute of national planning, 1974.
MLA -ийн эшлэл (9 дэх хэвлэлт)lohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. the institute of national planning, 1974.
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