ADAMČÁK, Štefan; BARTÍK, P.; MARKO, M. ROLE OF SMARTPHONES IN INCREASING PHYSICAL ACTIVITY IN SECONDARY SCHOOL STUDENTS. THE SKY-International Journal of Physical Education and Sports Sciences (IJPESS), [S. l.], p. 1–10, 2022. DOI: 10.51846/the-sky.v0i0.2069. Disponível em: https://journals.uol.edu.pk/the-sky/article/view/2069. Acesso em: 5 jul. 2025.