Case Overview of Patients under Surveillance of COVID-19 in Central Java Province, IndonesiaDwi Sutiningsih, Aufiena Nur Ayu Merzistya, Yulianto Prabowo, Aris Sugiharto and Mufti Agung WibowoE3S Web Conf., 202 (2020) 12013DOI: https://doi.org/10.1051/e3sconf/202020212013