Hussam Muidh Saad Althagafi , Emad Mansour Alharbi , Eman Abdulrahman Alhumaidi , Abdullah Abdulaziz alshayb , Khulud Abdullah Alarifi , Ghadah Abdullah Saad Alsunbol, and Esam Ali Aldomari , Nawaf Ahmed Hajaji , Abdulmalik Abdulaziz M Aldehishi , Mohammed Abdulrahman M aldeailej , Yasir Atiah H Allihiebi , Ali Alhusein Alhumaidi. “Epidemiological Surveillance Systems In The Digital Age: A Review Of Innovations And Applications”. Migration Letters, vol. 19, no. S2, Mar. 2022, pp. 1037-4, https://migrationletters.com/index.php/ml/article/view/10211.