Hafidz, H., N. Rukmana, and A. Djamil. “The Effect of Leaflet Media Health Counseling on Public Knowledge about the Implementation of the Covid-19 Health Protocol”. Proceedings of the International Conference on Nursing and Health Sciences, Vol. 2, no. 2, Nov. 2021, pp. 81-88, doi:10.37287/picnhs.v2i2.922.