NIINISKORPI, S.; HAVERI, M. Johdatusta aiheeseen . Research in Arts and Education, [S. l.], v. 2011, n. 2, p. 1–5, 2011. DOI: 10.54916/rae.118742. Disponível em: https://journal.fi/rae/article/view/118742. Acesso em: 10 may. 2024.