Environmental-knowledge textbooks in Hungary and Austria. Training and Practice : Journal of Educational Sciences, [S. l.], v. 19, n. 1-2, p. 100–106, 2021. DOI: 10.17165/TP.2021.1-2.10. Disponível em: https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/3968. Acesso em: 5 dec. 2025.