BYSHEVETS, Nataliia. Express estimation of the user’s working posture in learning process. Journal of Education, Health and Sport, [S. l.], v. 7, n. 8, p. 1628–1641, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/5179. Acesso em: 8 jan. 2025.