HEPNYI SAMOSIR. LANGUAGE ACQUISITION IN BAHASA INDONESIA: A CASE STUDY ON 4.2 AND 1.8-YEAR-OLD CHILDREN. Akrab Juara : Jurnal Ilmu-ilmu Sosial, [S. l.], v. 9, n. 2, p. 608–615, 2025. Disponível em: https://akrabjuara.com/index.php/akrabjuara/article/view/2411. Acesso em: 18 jan. 2026.