Assessment of the intensity of physical education lessons on the basis of selected forms of physical activity of children and youth
| Autor: | Irena Momola, Emilian Zadarko, Maria Zadarko-Domaradzka, Agnieszka Szybisty, Krzysztof Warchoł, Maciej Huzarski, Zbigniew Barabasz, Piotr Matłosz |
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| Zdroj: | National Information Processing Institute |
| Databáze: | OpenAIRE |
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