JAKUTIS, S.; VALENTINAVIČIUS, V. On the issue of efficiency of demonstrating a physics experiment at school. Psichologija, [S. l.], v. 3, p. 45–53, 1962. DOI: 10.15388/Psichol.1962.3.8860. Disponível em: https://journals.vu.lt./psichologija/article/view/8860. Acesso em: 28 apr. 2025.