Khmaj, Abdulfatah B., Mofida R. Khmaj, and Zakaria A. Khmaj. “Orthodontic Retainers: Review Paper”. Libyan Journal of Medical Research 17, no. 1 (June 30, 2023): 50–58. Accessed September 19, 2024. http://ljmr.ly/index.php/ljmr/article/view/12.