PARDEDE, G.; DAMANIK, B. A. R. THE INFLUENCE OF SLEEP HABITS ON COGNITIVE FUNCTIONS IN THE SPEECH OF PRESCHOOL CHILDREN. Sindoro: Cendikia Pendidikan, [S. l.], v. 11, n. 10, p. 11–21, 2025. DOI: 10.9644/sindoro.v11i10.10114. Disponível em: https://ejournal.warunayama.org/index.php/sindorocendikiapendidikan/article/view/10114. Acesso em: 13 jul. 2025.