Abdul Elah Noori, A. , Bahnam Abbu Samter, M. and Abdulrahmaan Khalid, G. (2013) “Design and Implementation of Audiometric Instrument Based on Microcontroller”, Journal of Engineering and Sustainable Development, 17(1), pp. 48–59. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1065 (Accessed: 1 July 2025).