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en línea
O. V. Shulha,Ye. O. Toporkova     Pág. 272 - 275
The article is devoted to the issue of operational cost management which consists in the search and achievement of the optimum level both for the enterprise as a whole and for its structural subdivisions. Studies of the issue of operational cost manageme... ver más
Revista: Nauka ta Progres Transportu    Formato: Electrónico

 
en línea
Tatiana A. Mikhailova, Olga V. Kalugina, Olga V. Shergina, Ekaterina N. Taranenko     Pág. 36 - 43
The study was focused on the relation between deterioration of vital state parameters of Scots pine (Pinus sylvestris L.) tree-stands polluted by various technogenic sources, and the level of polluting agents accumulation in the needles. Changes in the b... ver más
Revista: International Journal of Environment    Formato: Electrónico

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