BJÖRN, T.; MARJANEN, E.; UUSI-ÄIJÖ, V. Reaktionopeus. LUMAT-B: International Journal on Math, Science and Technology Education, [S. l.], v. 1, n. 1, 2016. Disponível em: https://journals.helsinki.fi/lumatb/article/view/1235. Acesso em: 3 touko. 2024.