A model to assess the level of efficiency of the forms of economy in the agrarian sector von O. V. Pimenova

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Flux-cored wires for wearand heat-resistant surfacing and spraying von Ju. S. Korobov, V. I. Shumjakov, M. A. Filippov, O. V. Pimenova, A. N. Balin, A. A. Vishnevskij

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