Effectiveness Of Using Extension Method On Syntax Ability Of Children With Language Disorders In Slb C Kerten Surakarta. JUPE : Jurnal Pendidikan Mandala, [S. l.], v. 10, n. 1, p. 110–114, 2025. DOI: 10.58258/jupe.v10i1.8369. Disponível em: https://ejournal.mandalanursa.org/index.php/JUPE/article/view/8369. Acesso em: 29 jun. 2026.