Wijaya, H., Wahyudi, S. T. and Firmansyah, Y. (2021) “Behavior of Following Health Protocols (Keeping Distance, Washing Hands and Wearing Masks) as a Form of State Defense in the Era of COVID-19”, Cerdika: Jurnal Ilmiah Indonesia, 1(3), pp. 221–228. doi: 10.59141/cerdika.v1i3.9.