Safruddin, Asri, and Edison Siringoringo. “Knowledge, Attitudes, Behavior And Risk Assessment Of People In Bulukumba Regency During The COVID 19 Pandemic”. Comprehensive Health Care, vol. 5, no. 3, Dec. 2021, pp. 99-107, http://beli-pulsa.com/index.php/chc/article/view/129.