VALATKIENĖ, Stasė. The Conception and Historical Sources of Alternative Modern Schools. Acta Paedagogica Vilnensia, [S. l.], v. 13, n. 13, p. 139–146, 2004. DOI: 10.15388/ActPaed.2004.13.9643. Disponível em: https://www.journals.vu.lt/acta-paedagogica-vilnensia/article/view/9643.. Acesso em: 6 may. 2024.