[1]
Trębacz, A. 2020. 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. 30 (grudz. 2020), 187–222. DOI:https://doi.org/10.14746/ikps.2020.30.10.