SYS, Lyudmila A. Formation of Communicative Behavior in Stammering Teenagers and Adults. Przegląd Badań Edukacyjnych (Educational Studies Review), [S. l.], v. 1, n. 20, p. 7–18, 2015. DOI: 10.12775/PBE.2015.033. Disponível em: https://apcz.umk.pl/PBE/article/view/PBE.2015.033. Acesso em: 3 may. 2026.