KOPONEN, I. T.; KOKKONEN, T. A Systemic view of the learning and differentiation of scientific concepts:The case of electric current and voltage revisited. Frontline Learning Research, [S. l.], v. 2, n. 3, p. 140–166, 2014. DOI: 10.14786/flr.v2i2.120. Disponível em: https://flr.journals.publicknowledgeproject.org/index.php/journal/article/view/120. Acesso em: 27 feb. 2025.