Retrospective view of development of profession of manager of tourism: historical context von N. S. Martynova

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The problem of training of future tourist managers in the context of world economic depression von N. S. Martynova

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The role of the training technologies professionally training the future tourist managers von N. S. Martynova, I. M. Nosachenko

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Activity of oxidative enzymes in vegetative parts of ground cover plants under the action of pollutants von N. V. Martynova, Yu. V. Lykholat, V. F. Opanasenko

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