Meliana, R., Manalu, M. M. S., & Triyono, S. (2024). Tracing the Linguistic Roots of Malay and Batak Languages in Sumatra Island: A Historical Comparative Study. OKARA: Jurnal Bahasa Dan Sastra, 18(1), 142-164. https://doi.org/10.19105/ojbs.v18i1.12865