Innovation Activity by Enterprises of Ukraine and Odessa Region as a Means of Increasing Labor Productivity von O. M. Orlenko

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The Perspective Directions of Diversification Activity of the Oil and Fat Sector Enterprises von O. M. Orlenko

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"Vyvchaiuchy politychnu kartu svitu, treba uiavliaty, khto z kym i proty koho". Navchalni prohramy z heohrafi i narodnykh shkil Kharkova chasiv nimetskoi okupatsi... von O. M. Orlenko, N. M. Saltan, O. M. Saltan

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