Tengku, Syarfina, Alika Sandra Hasibuan, and Lusiana Sinaga. “Stress in Angkola Batak Language: An Acoustic Phonetic Approach”. Linguistik, Terjemahan, Sastra (LINGTERSA) 4, no. 2 (August 31, 2023): 46–53. Accessed August 16, 2025. https://idjpcr.usu.ac.id/lingtersa/article/view/13451.