Sulistyowati, Reny. “The government’s Efforts in Tracing Covid-19 Patients: Problems in the Community ”. GHMJ (Global Health Management Journal) 5, no. 1 (February 15, 2022): 22–25. Accessed April 17, 2026. https://www.inschool.id/publications/index.php/ghmj/article/view/594.