Alkhatib, A. J., and A. M. M. Qasem. “Variability of Bacteria in Human Populations: Axes, Drivers, Methods, and Implications”. International Journal of Nanotechnology and Allied Sciences, vol. 9, no. 1, Nov. 2025, pp. 34-41, https://psmjournals.org/index.php/ijnas/article/view/918.