Mayasari, E., Lubis, L.D., Meutia, N., Adella, C.A. and Megawati, E.R. 2023. Improving knowledge and attitude to tackle COVID-19 transmission in a health care facility of North Sumatra’s village. Journal of Community Service and Empowerment. 4, 2 (Jul. 2023), 336–342. DOI:https://doi.org/10.22219/jcse.v4i2.25205.