AKSELA, M.; VIHMA, L. Alkusanat toimittajilta. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 3, n. 7, 2015. DOI: 10.31129/lumat.v3i7.989. Disponível em: https://journals.helsinki.fi/lumat/article/view/989. Acesso em: 23 may. 2024.