TRĘBACZ, Agata. Articulation disorders of the sigmatism type and the level of self-esteem of students completing the stage of early school education. Own research conducted in the Greater Poland region. Interdyscyplinarne Konteksty Pedagogiki Specjalnej, [S. l.], n. 30, p. 187–222, 2020. DOI: 10.14746/ikps.2020.30.10. Disponível em: https://pressto.amu.edu.pl/index.php/ikps/article/view/27063. Acesso em: 21 grudz. 2024.