Kaisar, Maria Mardalena Martini, Helen Kristin, Tria Asri Widowati, Clarissa Rachel, Anastasia Hengestu, Sem Samuel Surja, and Soegianto Ali. “Tracing COVID-19 Cluster During Offline Learning in the New Era of Pandemic”. Journal of Community Service and Empowerment 5, no. 1 (February 28, 2024): 155–162. Accessed November 22, 2024. https://ejournal.umm.ac.id/index.php/jcse/article/view/27945.