Knuth A, Silva I, Hallal P. Description of the school environment related to physical education classes, recess, extracurricular activities and physical spaces in the city of Pelotas, RS, Brazil. Rev. Bras. Ativ. Fís. Saúde [Internet]. 1 de septiembre de 2015 [citado 3 de julio de 2024];20(5):524. Disponible en: https://rbafs.org.br/RBAFS/article/view/6146