Ostrowska, Małgorzata. “Problematic Behaviours of Primary School Students During Physical Education Classes”. Physical Education, Sport and Olympism from a Pedagogical Perspective, edited by Jolanta E. Kowalska and Arkadiusz Kaźmierczak, Lodz University Press, 2023, pp. 105-17, https://doi.org/10.18778/8331-324-5-08.