NIAURA, A. Usage of some visual aids to activate students in physics lessons. Psichologija, [S. l.], v. 2, p. 51–70, 1962. DOI: 10.15388/Psichol.1962.2.8850. Disponível em: https://www.journals.vu.lt/psichologija/article/view/8850.. Acesso em: 28 apr. 2024.