Saleem FS, Al-Mejibli I. SMARTPHONE APPLICATIONS FOR CONTACT TRACING IN COVID-19 EPIDEMIC: A SYSTEMATIC REVIEW. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2021 Jul. 9 [cited 2024 Dec. 22];13(2):Comp Page 37– 45. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/818