IFANTI NUR ISLAMIAH and AGUS AAN ADRIANSYAH (2023) “ANALISIS SISTEM PENCATATAN DAN PELAPORAN PELAKSANAAN CONTACT TRACING COVID-19”, WIDYALOKA, 10(1), pp. 88–103. Available at: https://jurnal.ikipwidyadarmasurabaya.ac.id/index.php/widyaloka/article/view/125 (Accessed: 11 October 2026).