An Acoustic Analysis of the Relationship between Vowel Height and Tone in Dholuo. Impact: Journal of Transformation, [S. l.], v. 9, n. 1, p. 1–32, 2026. DOI: 10.63988/. Disponível em: https://journals.aiu.ac.ke/index.php/impact/article/view/192. Acesso em: 7 feb. 2026.