lohr, v. (1974). on a few theoretical questions of prognoses and long - term plans for the development of agricultural production. the institute of national planning.
Chicago-viite (17. p.)lohr, v. On a Few Theoretical Questions of Prognoses and Long - Term Plans for the Development of Agricultural Production. cairo: the institute of national planning, 1974.
MLA-viite (9. p.)lohr, v. On a Few Theoretical Questions of Prognoses and Long - Term Plans for the Development of Agricultural Production. the institute of national planning, 1974.
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