Rywczyńska A, Jaroszewski P. Influence of the Use of Digital Technologies on the Physical Activity of Children Aged 7–17 Years in the Opinion of Parents. jetacomps [Internet]. 30 marzec 2019 [cytowane 21 listopad 2024];27(1):164-71. Dostępne na: https://journals.ur.edu.pl/jetacomps/article/view/5701