Azhan, Nurrul Asmar, Arfah Ahmad Hasbollah, Nor Afizah Jalil, and Menul Teguh Riyanti. 2024. “Design and Evaluation of a Smart Jacket for Enhancing Safety in Individuals With Hearing Loss and Non-Verbal Impairments”. Politeknik & Kolej Komuniti Journal of Engineering and Technology 9 (2). Putrajaya, Malaysia:151-59. https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/541.