CUPERE, Irina. Communication Development of Preschool Children with Insufficient Development of Language System. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 3, p. 24–32, 2015. DOI: 10.17770/sie2014vol3.688. Disponível em: https://archive-journals.rtu.lv/sie/article/view/924.. Acesso em: 11 mar. 2026.