Manis, M., R. Limbu, and H. Ndun. “Study on Mask Usage As an Effort to Prevent COVID-19 in Public Area (Case Study on Visitors of Oebobo Bus Terminal in Kupang City)”. Lontar : Journal of Community Health, Vol. 4, no. 2, June 2022, pp. 93-05, doi:10.35508/ljch.v4i2.4337.