Popov A. (Doctor of Economics, Professor, Ural state University of physical culture, Chelyabinsk)
Pavlov N. (Teaching assistant, Chelyabinsk State University, Chelyabinsk)
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Popov A. (Doctor of Economics, Professor, Ural state University of physical culture, Chelyabinsk)
Pavlov N. (Teaching assistant, Chelyabinsk State University, Chelyabinsk)
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