Mi az az erdei iskola?. Training and Practice : Journal of Educational Sciences, [S. l.], v. 1, n. 1, p. 28–32, 2003. DOI: 10.17165/tp.2003.1.28-32. Disponível em: https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/5617.. Acesso em: 3 jul. 2024.