AKSELA, Maija; HIRVONEN, Pekka E.; HÄSTÖ, Peter. Letter from the Editors. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 3, n. 6, 2015. DOI: 10.31129/lumat.v3i6.990. Disponível em: https://journals-21.hulib.helsinki.fi/lumat/article/view/990. Acesso em: 20 sep. 2024.