Badwi , Riyadh Adnan, and Abu Al-Hassan Abdul Wahab Jabr. “Design and Implementation of External Hearing Aids Device”. World of Medicine : Journal of Biomedical Sciences 2, no. 2 (February 17, 2025): 47–62. Accessed November 7, 2026. https://wom.semanticjournals.org/index.php/biomed/article/view/297.