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On the Problem of Management of Physical Education of Younger Schoolchildren Using Modular Substitutions of Structural Bases of The Educational Subject https://doi.org/10.1051/shsconf/20207903009
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On the Problem of Management of Physical Education of Younger Schoolchildren Using Modular Substitutions of Structural Bases of The Educational Subject https://doi.org/10.1051/shsconf/20207903009
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