Resdillapratiwi R, Damanik LA. Introduction to Linguistics from a Phonological Perspective: The Final Vowel /a/ → [o] and Word-Initial Rhotic /r/ → [ɣ] Correspondences in the Batahan Dialect. JOLLS. Lang. Liter. Studies. 2026;6(3):1039-1052. doi:10.36312/jolls.v6i3.5106