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Agricultural Engineering > 2016 > Vol. 20, No. 1 > 79--89
Mekhanizm Rehuluvannya Economiky > 2015 > 3 (69) > 87-97
Agricultural Engineering > 2016 > Vol. 20, No. 1 > 79--89
Mekhanizm Rehuluvannya Economiky > 2015 > 3 (69) > 87-97