Ria, Dana Asta, Sulistyawati Sulistyawati, Ike Lukita Padmawati, and Ajeng Rahastri. “THE EPIDEMIOLOGY OF COVID-19 IN PANDEYAN UMBULHARJO, YOGYAKARTA CITY IN 2021”. HEARTY 12, no. 1 (January 31, 2024): 42–47. Accessed November 15, 2024. http://150.107.142.43/index.php/Hearty/article/view/15352.