An Economic-Mathematical Model of the Production Cycle of an Enterprise of the Industrial Poultry Farming von I. A. Bielkina

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Principles of the regions classification based at cognitive approach von Yu. Churikanova, I. A. Bielkina

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Study of dependence of income and profit of the ore mining and processing enterprise on organisation of ore supply von I. A. Bielkina, Ye. V. Kochura

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