El Magrahi, H., A. . Ben Ashur, A. . Elkammoshi, M. . Elgani, and W. . Zriba. “Prevalence of Bacterial Flora Associated With Earphones Used Among Students of University of Tripoli, Libya”. Khalij-Libya Journal of Dental and Medical Research, vol. 5, no. 1, Nov. 2020, pp. 6-10, http://journals.khalijedental.com.ly/index.php/ojs/article/view/3.