TSAPARLIS, G. First and second thoughts about teaching secondary chemistry. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 3, n. 3, p. 371–380, 2015. DOI: 10.31129/lumat.v3i3.1035. Disponível em: https://journals.helsinki.fi/lumat/article/view/1035. Acesso em: 25 apr. 2024.