Kholifah, Siti Putri Nur, Mahalul Azam, and Muhamad Zakki Saefurrohim. 2021. “Risk Factors for COVID-19 Infection in Rural Areas: A Cross-Sectional Study in Tegal District”. Journal of Epidemiology and Public Health 6 (3):372-80. https://www.jepublichealth.com/index.php/jepublichealth/article/view/426.