PERNAA, Johannes; AKSELA, Maija. The history, current state and future of electronic chemistry learning environments. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 1, n. 4, p. 435–456, 2013. DOI: 10.31129/lumat.v1i4.1101. Disponível em: https://journals.helsinki.fi/lumat/article/view/1101. Acesso em: 3 dec. 2024.