Andani, A. F., Huda, R., Saputra, A., Harahap, M., Nazla, A. and Pulungan, R. B. (2026) “System of Phonology of Tanah Ulu Creole”, Journal of Angkola-Mandailing Culture, 1(1), pp. 51–62. doi: 10.64733/journalangkola-mandailing.v1i1.105.