PICHURIN, V. V. Development of attention concentration and stability of railway students in the process of psychological and psychophysical training. Science and Transport Progress , [S. l.], n. 2(50), p. 187–195, 2014. DOI: 10.15802/stp2014/23819. Disponível em: https://stp.ust.edu.ua/article/view/23819. Acesso em: 1 may. 2024.