1.
Makarczuk AK, Kowalewski M. Physical activity and body posture of younger school children in the opinion of parents. J Educ Health Sport [Internet]. 2020 Dec. 20 [cited 2024 May 19];10(12):138-50. Available from: https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.12.013