Pranata, F. C., S. Winarni, and Z. Rachman. “The Effect of Jingle Health Promotion Media on the Knowledge of Covid 19 Prevention in the GRJB Group”. Jurnal Pendidikan Kesehatan, vol. 11, no. 1, Apr. 2022, pp. 91-95, doi:10.31290/jpk.v11i1.2543.