POŚPIECH, D.; BLACHA, J. The usefulness and feasibility of the physical education school programme in the opinions of teachers from selected schools in the province Silesia and Opole. Health Promotion & Physical Activity, [S. l.], v. 4, n. 3, p. 20–27, 2019. DOI: 10.5604/01.3001.0012.8670. Disponível em: https://journals.anstar.edu.pl/index.php/hppa/article/view/111. Acesso em: 9 may. 2024.