DEWI, Puspita. UNITARY SYSTEM HYPOTHESIS AND DUAL SYSTEM HYPOTHESIS IN LANGUAGE DEVELOPMENT. Humanitatis : Journal of Language and Literature, [S. l.], v. 4, n. 1, p. 137–146, 2017. Disponível em: https://journal.universitasbumigora.ac.id/humanitatis/article/view/576. Acesso em: 11 aug. 2025.