KONEVA, Elena; SOLONDAEV, Vladimir. Psychological factors of preschoolers speech development. Psychological Studies, [S. l.], v. 13, n. 73, 2020. DOI: 10.54359/ps.v13i73.170. Disponível em: https://psystudy.ru/num/article/view/170. Acesso em: 10 nov. 2026.