Patronage and civil service: the ratio of concepts von T. I. Demchenko

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Regression Analysis of the Impact of Demographic and Economic Indicators on the Status of Pension Provision in Different World Countries von K. I. Demchenko

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The possibility of developing preserved coal reserves of Ukraine von Y. I. Demchenko, S. V. Salli

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State support of stability in coal-Donbas regions von O. R. Mamaikin, V. M. Pochepov, Ya. Fomychova, Yu. I. Demchenko, V. I. Sulaiev, V. V. Lapko

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