Kasim, Ziyad. “The Effect of Voiceless-Voiced Consonants on Vowel Duration in Arabic”. Journal of Education for the Humanities 1, no. 2 (March 1, 2021): 1–22. Accessed September 18, 2025. https://ojs.uomosul.edu.iq/index.php/jeh/article/view/42931.