Homogeneous and heterogeneous groups in the kindergarten. Training and Practice : Journal of Educational Sciences, [S. l.], v. 17, n. 3-4, p. 115–128, 2019. DOI: 10.17165/TP.2019.3-4.10. Disponível em: https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/4227. Acesso em: 5 dec. 2025.