Hepnyi Samosir. 2025. “LANGUAGE ACQUISITION IN BAHASA INDONESIA: A CASE STUDY ON 4.2 AND 1.8-YEAR-OLD CHILDREN”. Akrab Juara : Jurnal Ilmu-Ilmu Sosial 9 (2):608-15. https://akrabjuara.com/index.php/akrabjuara/article/view/2411.