Jarrah, S., Al-Jawamis, N., Momani, A., & Attieh, A. R. (2011). Common Voice Disorders in Jordan and Their Response to Voice Therapy. Al-Balqa Journal for Research and Studies, 14(1), 12-13. https://ajrs.ammanu.edu.jo/ojs/index.php/albalqajournal/article/view/299