Saleem, F. S. and Al-Mejibli, I. (2021) “SMARTPHONE APPLICATIONS FOR CONTACT TRACING IN COVID-19 EPIDEMIC: A SYSTEMATIC REVIEW”, Journal of Al-Qadisiyah for Computer Science and Mathematics, 13(2), pp. Comp Page 37– 45. doi: 10.29304/jqcm.2021.13.2.818.